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LEAP CHEM Co., Ltd.
About LEAP CHEM Co., Ltd.
LEAPChem, a specialized fine chemicals supplier for research, development, and production. LEAPChem provides nearly 200,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing.At LEAPChem we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research&Production. To achieve this strategic vision,we always push ourself to exceed our customer's requirement. By focusing 'Beyond Your Expectation' we continually expand our product line,...
Sales Markets
- Africa
- Central America (e.g. Mexico)
- East Asia (e.g. China, Japan, Korea)
- Europe - EU countries
- Europe - non EU (e.g. UK, Russia, ex-CIS countries)
- Middle East Region (e.g. UAE)
- North America (USA, Canada)
- Oceania
- South America (e.g. Brazil, Colombia)
- South Asia (e.g. India, Pakistan, Sri Lanka)
- South East Asia (e.g. Thailand, Philippines, Singapore)
Categories
- Biopharmaceutical Products
- Contract Development and Manufacturing Organisations (CDMOs) and Contract Manufacturing Organisations (CMOs) (Services) Contract Manufacturing
- Finished Dosage Forms (Products) Capsules
- Intermediates, Fine and Specialty Chemicals (Products) Advanced Intermediates
- Laboratory and Analytical Equipment (Products) Laboratory Equipment / Supplies
- Natural Extracts (Products)
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Country/Region:China
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On CPHI since:2016
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Employees:50 - 99
Company types
Distributor/Import Export
Pharmaceutical company
Contact info
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Room A, 23rd Floor, No. 609 Yan'an Road, Gongshu District, 310000, Hangzhou, China
Departments
Business Development
Sales
Other
Meet us at
CPHI Americas 2026
Pennsylvania Convention Center, Philadelphia
2 Jun 2026 - 4 June 2026
CPHI & PMEC China 2026
Shanghai New International Expo Center
16 Jun 2026 - 18 Jun 2026
Products from LEAP CHEM Co., Ltd. (100)
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Product Proteinase K 39450-01-6
Appearance: white solid Protein purity:95%minSpecific activity:30.0U/mg P min
Rnase activity: none detected
Dnase activity: none detected -
Product 1-Hydroxy-7-azabenzotriazole 39968-33-7
Appearance:Off-white to white crystallinePurity (HPLC):99%min
Melting point:213.0 ~ 216.0 oC (dec.)
Loss on drying:0.5%max -
Product Potassium metavanadate 13769-43-2
Appearance:White powderAssay(V2O5):65%min
K2O:33%min
Cr:0.05%max
Na:0.5%max
Fe:0.05%max
Cl:0.01%max
As:0.005%max -
Product 1,3,5-Benzenetricarboxylic acid chloride 4422-95-1
Appearance:Colorless or light yellow solidAssay:99%min -
Product Bis(pinacolato)diboron 73183-34-3
Appearance: Off-white solidPurity: 99%min(GC)
Melting Point: 135 to 142degC
Water: 0.5%max
NMR: Conform -
Product PIPES 5625-37-6
Appearance:White powder or crystalline powderAssay:99%min
Water:0.5%max
Humidity(LOD):1.0%max
Solubility(0.5M in 1N NaOH):Colorless and clear
PH(1.0M aqueous):6.6-7.0
UVA/260nm:0.15 max
UVA/280nm:0.13 max -
Product alpha-Arbutin 84380-01-8
Appearance:White crystals or crystallized powderAssay:99.5%min.
Identification-infrared
Spectrum:In accordance with spectrum of standard α-Arbutin
PH:5.0-7.0
Melting Point:202°C~210°C
Optical Rotation:+175°~+185°
Loss on Drying:0.5% max.
Residue on ignition:0.5%max.
Transmitta... -
Product Dess-Martin periodinane 87413-09-0
Appearance:White to light yellow powder or crystalline particlesAssay(by titration):98%min.
Dichloromethane solution:Slightly cloudy or clear solution -
Product 1,2-Ethanedithiol 540-63-6
Appearance: Colorless transparent liquidAssay: 98.5%min
Refractive index: 1.550 to 1.560
BP: 144degC to 146degC
Density: 1.120 to 1.124g/ml -
Product (Perfluorobutyl)ethylene 19430-93-4
Appearance:colorless to light yellow liquidPurity:99%min. -
Product Aprotinin 9087-70-1 (9004-04-0)
Description:A white powder or Pallide-flavens powderValence(on dry basis):3.0EPU/mg min.
PH:5.0～7.0Water Content:6.0%max.
Protein of higher molecular mass:3.0%max.
Pyrogen:Conformity
Abnormal toxity:Conformity
Depressor Substance:Conformity -
![1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol 61607-68-9](https://www.cphi-online.com/product/1-2-dimethylaminoethyl-1h-tetrazole-5-thiol-61607-68-9/p0th_S.jpg)
Product 1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol 61607-68-9
Appearance:white to light yellow crystalline powderPurity:99%min
Water:0.3%max -
Product Succinimide 123-56-8
Appearance:white flake crystalAssay:99%min
MP:121 to 126 deg C
Residue on ignition:0.5%max
Water:0.5%max -
Product Thiodiglycolic acid 123-93-3
Appearance:white to off white crystalAssay:98%min
MP:128-131deg C
Relate substance:2%max
Water:0.7%max -
Product TBTU 125700-67-6
Appearance:white crystalline powderAssay(HPLC):99.0% min
Clarity of the solution(1mol in 2ml DMF):clear and transparent
Melting point:200degC min
Loss on drying:0.5% max -
Product 2987-17-9 Cyclobutanecarboxaldehyde
Specs:
Appearance: Colorless or light yellow transparent liquid
Assay: 98%min
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![1-BROMO-2-CHLOROETHANE[107-04-0]](https://www.cphi-online.com/product/1-bromo-2-chloroethane-107-04-0/107-04-0%25201-%25E6%25BA%25B4-2-%25E6%25B0%25AF%25E4%25B9™%25E7ƒ%25B7%2520%25E7%25BB“%25E6%259E„%25E5%25BC%258F.gif)
Product 1-BROMO-2-CHLOROETHANE[107-04-0]
Specs:
Appearance:Colorless transparent liquid
Assay:99%min
Moisture:500ppm max
pH(1:1water solution):6.0~8.0
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Product 2-Oxazolidone, 98% , CAS 497-25-6 5
Specs:
Appearance:White crystal
Purity (GC) :98.0%min
Melting point:86.0-91.0degC
Loss on drying:0.5%max
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Product 2-Methyl-5-vinylpyridine[140-76-1]
Specs:
Appearance:Colorless to pale yellow liquid
Assay:95%min(NMR)
Storage:keep it in refrigerator
Shelf life:2~3 months
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Product 2861-28-1 3,4-(Methylenedioxy)phenylacetic acid
Specs:
Appearance:Off-white powder
Purity:98%min.
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Product Ancymidol(12771-68-5)
Specs:
Appearance:White or off-white crystalline powder
Assay:98%min
Moisture:0.5%max
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Product Azasetron hydrochlorid CAS#123040-69-7
Specs:
Appearance:White or almost white powder
Assay:98%min.
Acidity(PH):3.5-5.5
Loss on drying:0.5%max
Sulfated ash:0.1%max
Heavy metal:20ppm max
Total impurities:1.0% max
CCl4:0.006%max.
Toluene:0.089%max.... -
Product Bazedoxifene acetate(198481-33-3)
Specs:
Appearance:Gray white to off-white powder
Water:0.5%max
Heavy metal:20ppm max
Total impurity:1.0%max
Single impurity:0.1%max
Loss on drying:0.5%max
Assay:99%min
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Product Carbenicillin disodium salt , CAS 4800-94-6
Specs:
USP grade
Appearance:White or off-white powder
Assay(Sodium, dry basis):92%min
Water:5.0%max
PH:6.0 to 7.5
Penicillin G:5.0%max
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Product CAS 866783-13-3 (1S)-4,5-Dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride
Spec:
Appearance:White to off-white powder
Assay:98%min.
Isomer impurity:0.1%max
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Product CAS 866783-13-3 (1S)-4,5-Dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride
Spec:
Appearance:White to off-white powder
Assay:98%min.
Isomer impurity:0.1%max
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Product CAS#76-03-9 Trichloroacetic acid
Specs:
AR Grade
Appearance:White crystalline solid
Assay:99.0%min
Ignition residue:0.03%max.
Cl:0.005%max.
SO4:0.01%max.
NO3:0.001%max.
PO4:0.001%max.
Fe:0.0005%max.
Heavy metals:0.0005%max.
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Product CAS#980-71-2 Brompheniramine hydrogen maleate
Specs:
Appearance:white or off-white powder
Assay:98.5% to 100.5%
MP:131degC to 135degC
Acid value:4 to 5
Residue on ignition:0.1%max
Loss on drying:0.5%max
Sulphated ash:10ppm max
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Product Chlorambucil cas 305-03-34-[Bis(2-chloroethyl)aminophenyl]butyric acid; 4-(p-(N,N-Di-2-chloroethyl)aminophenyl)butyric acid
Specs:
USP32
Appearance:White crystalline powder
Assay:99%min
Lead time:5-8 days after P.O
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Product Chloromycetin 56-75-7
Specs:
USP34 Grade
Appearance:White gray or light yellow needle, longflake crystalls or crystal powder
Assay:98% to 102%
Specific rotation:+18.5deg to +21.5deg
Melting range:149degC to&n... -
Product D-(-)-Pantolactone(599-04-2)
Specs:
Appearance:White aciculae grain
Specific rotation (c5,on dried basis):-50 ~ -53°
Moisture,% m/m:0.5max
Residue on Ignition % m/m:0.1max
Free Acid %:0.5max
Heavy Metals:0.002max
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Product D-(+)-Mannose[3458-28-4]
Specs:
Appearance:white crystalline powder
Assay:99%min
Specific rotation:+14 to +15 degree
Melting point:126degC to 134degC
Heavy metals:10ppmmax
Loss on drying:0.5%max
Bacteria amount:1000cfu/g max
Yeasts and molds:... -
Product Digoxin CAS 20830-75-5
Specs:
Appearance:white crystal powder
Assay:95%min
Specific rotation:+9.5 to +12 deg C
Loss on drying:1.0%max
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Product Dimethyl (2-oxopropyl)phosphonate CAS#4202-14-6
Specs:
Appearance:Light yellow liquid
Purity(GC):95%min.
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Product Gossypol-acetic acid(12542-36-8)
Specs:
Appearance:yellow fine powder
Assay (HPLC):98%min
Odor:characteristic
Sieve analysis:90% pass 80 mesh min
Loss on drying:1%max
Residue on ignition:1%max
Heavy metal:15ppm max
As:2ppm max
Pb:1ppm max qq... -
Product Iopromide , CAS 73334-07-3
Specs:
USP Grade
Appearance:white to slightly yellow powder
Purity:97%-102.5%
Water:1.5%max
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Product N-Iodosuccinimide[516-12-1]
Specs:
Appearance:White or light yellow crystalline powder
Assay:99.0%min
Active iodine:55~58%
Loss on drying:0.5%max
MP:195 to 199 degc
Free acid:0.2%max
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Product Octreotide acetate CAS#83150-76-9
Specs:
Appearance:white powder
Assay:95.0-105.0%
Solubility:Soluble in water or 1% acetic acid at a concentration of ≥1mg/ml to give a clear, colorless solution
Amino Acid Compositi... -
Product Paroxetine hydrochloride 78246-49-8
Specs:
EP7.0
Specs: white to offwhite powder
Assay(HPLC)(Calculated on the anhydrous substance):97.5~102.0%
Heavy metals:20 ppmmax
Water:2.2~2.7%
Sulphated ash:0.1%max
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Product Resveratrol CAS 501-36-0
Specs:
Appearance:White fine powder
Odor:Characteristic
Assay(on anhydrous basis)(Resveratrol,HPLC ):98.0%min
Sieve analysis:NLT 95% pass 80 mesh
Loss on Drying:3.5%max
Residue on Ignition:1.0%
Ex... -
Product Shikimic acid 138-59-0
Specs:
Appearance:Whtie powder
Assay:99%min
Loss on drying:0.5%max
Residue on igntion:0.1%max
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Product Tetramisole hydrochloride[5086-74-8]
Specs:
BPV98 Grade
Appearance:White or pale yellow crystalline powder
Assay:98~101%
Loss on drying:0.5% max
Sulphate ash:0.1% max
Mp:262~267deg.C
TLC:0.5% max
PH:4.0 to 5.5
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Product 1,8-Diazabicyclo[5.4.0]undec-7-ene 99%min
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes 1,8-Diazabicyclo[5.4.0]undec-7-ene 99%min. Packing Unit: 500. Contact us for more information. -
Product (-)-Di-p-toluoyl-L-tartaric acid
Appearance:White or off-white crstalline powder Purity(HPLC):99.0%min. Assay(Titration By NaOH):98% to 102% Specific rotation(C=1,MeOH):-136 to -140deg Melting point:168 to 171℃ Water content:0.5%max. -
Product (-)-Epigallocatechin gallate CP2010
LEAPCHEM Provides wide range of Herbal Extracts products which includes (-)-Epigallocatechin gallate CP2010. Packing Unit: 100g. Contact us for more information. -
Product (E)-1,4-Dibromobut-2-ene
Appearance:White or off-white crystalline powder Assay:99%min Loss on drying:0.5%max -
Product (-)-Gallocatechin 98%min (HPLC)
LEAPCHEM Provides wide range of Herbal Extracts products which includes (-)-Gallocatechin 98%min (HPLC). Packing Unit: 20mg. Contact us for more information. -
Product (Methoxymethyl)triphenylphosphonium chloride
Appearance:White crystals Loss on drying:0.5%max TPP residue:50ppm max Assay(HPLC):99.5%min -
Product 2-Methylindoline 99%min
LEAPCHEM Provides wide range of APIs & Intermediates products which includes 2-Methylindoline 99%min. Packing Unit: 100g. Contact us for more information. -
Product (S)-(+)-Epichlorohydrin
Appearance:Slightly yellow to clear liquid Assay:99.5%min Optical Purity:99.75%min Loss on drying:0.30%max Chroma(Pt-Co),Hazen:30max -
Product 3-(N,N-Dimethylmyristylammonio)propanesulfonate 99%min
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes 3-(N,N-Dimethylmyristylammonio)propanesulfonate 99%min. Packing Unit: 100g. Contact us for more information. -
Product [1,1-Bis(diphenylphosphino)ferrocene]dichloropalladium(II)
Specs: Appearance:Orange-red powder Purity:98%min Pd:14.5%min Mp:275~280deg.C -
Product 3-Bromo-N-phenylcarbazole 98%min (GC)
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes 3-Bromo-N-phenylcarbazole 98%min (GC). Packing Unit: 10g. Contact us for more information. -
Product [2-[2-(Fmoc-amino)ethoxy]ethoxy]acetic acid
Specs: Appearance:White powder Assay:98%min Water content:0.5%max -
Product 4-Chloro-6-methoxy-2-methyl-5-pyrimidinamine
LEAPCHEM Provides wide range of APIs & Intermediates products which includes 4-Chloro-6-methoxy-2-methyl-5-pyrimidinamine 5-Amino-4-chloro-6-methoxy-2-methylpyrimidine. Packing Unit: 500g. Contact us for more information. -
Product 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride
Appearance:white crystalline powder Purity:99%min Melting point:105.0 - 115.0 oC (dec.) Water(K.F.):1.0%max -
Product 4-Methyl-4-mercapto-2-pentanone 98%min
LEAPCHEM Provides wide range of Fragrances &Essences products which includes 4-Methyl-4-mercapto-2-pentanone 98%min. Packing Unit: 100g. Contact us for more information. -
Product 1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol
Specs: Appearance:white to light yellow crystalline powder Purity:99%min Water:0.3%max -
Product Altrenogest 98.0% min
LEAPCHEM Provides wide range of APIs & Intermediates products which includes Altrenogest 98.0% min. Packing Unit: 100g. Contact us for more information. -
Product Angelic Acid 98%min
LEAPCHEM Provides wide range of APIs & Intermediates products which includes Angelic Acid 98%min. Packing Unit: 10g. Contact us for more information. -
Product Antimony trichloride AR grade
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes Antimony trichloride AR grade. Packing Unit: 1kg. Contact us for more information. -
Product 1-Bromo-3-iodobenzene
Appearance:bright yellow and red liquid Assay:98% min Water:0.15% max MP:9.3 deg C -
Product Atractylodin Analytical grade
LEAPCHEM Provides wide range of Herbal Extracts products which includes Atractylodin Analytical grade. Packing Unit: 100mg. Contact us for more information. -
Product 1-Bromo-4-iodobenzene
Appearance:white crystalline Purity:99.5%min Single impurity:0.2%max Water:0.05%max -
Product Bis(lauroyloxy)dioctyltin Tin Content:15.2 to 16.5%
LEAPCHEM Provides wide range of Catalysts & Auxiliary products which includes Bis(lauroyloxy)dioctyltin Tin Content:15.2 to 16.5%. Packing Unit: 1kg. Contact us for more information. -
Product Budesonide EP5.0
LEAPCHEM Provides wide range of APIs & Intermediates products which includes Budesonide EP5.0. Packing Unit: 1. Contact us for more information. -
Product Cesium carbonate 99.9%min (trace metal basis)
LEAPCHEM Provides wide range of Metal chemicals products which includes Cesium carbonate 99.9%min (trace metal basis). Packing Unit: 100g. Contact us for more information. -
Product Daidzin 98%min(HPLC)
LEAPCHEM Provides wide range of Herbal Extracts products which includes Daidzin 98%min(HPLC). Packing Unit: 100mg. Contact us for more information. -
Product 1-Naphthalene acetic acid
Appearance:Off-white powder Assay:Min98% MP:130.0 to 132.0degC Residue on ignition:Max0.5% Loss on drying:Max0.5% -
Product Dipropyl trisulfide 97%min
LEAPCHEM Provides wide range of Fragrances &Essences products which includes Dipropyl trisulfide 97%min. Packing Unit: 1g. Contact us for more information. -
Product 1,1,1-Trichloroethane
Appearance: colorless liquid Assay: 96%min Specific gravity: 1.320~1.340 Solubility in ethanol: pass Residue on evaporation: 0.01%max -
Product Ethyl 2-methyl-4-oxo-2-cyclohexenecarboxylate 98%min
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes Ethyl 2-methyl-4-oxo-2-cyclohexenecarboxylate 98%min. Packing Unit: 500g. Contact us for more information. -
Product Etoposide USP31
LEAPCHEM Provides wide range of APIs & Intermediates products which includes Etoposide USP31. Packing Unit: 1g. Contact us for more information. -
Product Germanium 99.999%min (trace metal basis)
LEAPCHEM Provides wide range of Metal chemicals products which includes Germanium 99.999%min (trace metal basis). Packing Unit: 100g. Contact us for more information. -
Product Hydroxymethyl EDOT 97%min
LEAPCHEM Provides wide range of Laboratory chemicals&Industrial materials products which includes Hydroxymethyl EDOT 97%min. Packing Unit: 1g. Contact us for more information. -
Product 1,1'-Carbonyldiimidazole
Appearance:White to off-white powderAssay:98.0%min. Melting point:113.0 to 122.0degC -
Product 1,3-Bis(trifluoromethyl)-benzene
Appearance:Colorless to light yellow transparent liquid Purity:99%min. -
Product 1,3,5-Benzenetricarboxylic acid chloride
Appearance:Colorless or light yellow solid Assay:99%min -
Product 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
Appearance:white crystalline powder Assay(HPLC):99.0% min Clarity of the solution(1mol in 2ml DMF):clear and transparent Melting point:200degC min Loss on drying:0.5% max -
Product 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
Appearance:white crystalline powder Assay(HPLC):99.0% min Clarity of the solution(1mol in 2ml DMF):clear and transparent Melting point:200degC min Loss on drying:0.5% max -
Product 2-(Dicyclohexylphosphino)-2,4,6-triisopropylbiphenyl
Specs: Appearance:White powder Purity:99%min -
Product 2-(Hydroxymethyl)phenyl-beta-D-glucopyranoside
Appearance:White powder Assay:98%min Pesticide:Negative Particle size:100% pass 80 mesh Water:max5% Total of bacteria:max1000/g Fungi:max100/g Salmonella:Negative Coli:Negative
