Peptide Impurity

CAT. No :O010004CAS. No :174794-02-6
Mol. F :C17H20N4OS
Mol. Wt :328.43 g/mol
Synonyms :Olanzapine-N-oxide;Olanzapine USP Related Compound C
Chemical Name :2-Methyl-4-(4-methyl-4-oxido-1-piperazinyl)-10H-thieno[2,3-b][1,5]benzodiazepine
Stock Status :Instock

CAT. No :R650005CAS. No :2469553-67-9
Mol. F :C17H9D9N6
Mol. Wt :315.42 g/molSynonyms :beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile-d9
Chemical Name :3-(4-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-(cyclopentyl-d9)propanenitrile
Stock Status :Instock

CAT. No :S150020CAS. No :NA
Mol. F :C51H79NO13
Mol. Wt :914.17 g/molSynonyms :(3S,6R,7E,9R,10R,12R,14S,15E,17E,19E,21S,23S,26R,34aS)-9,23-dihydroxy-3-((R)-1-((1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl)propan-2-yl)-10,21-dimethoxy-6,8,12,14,20,26-hexamethyl-9,10,13,14,21,22,23,24,25,26,32,33,34,34a-tetr...

CAT. No :S060025CAS. No :NA
Mol. F :C16H11F6N5OD4.HCl
Mol. Wt :447.80 g/mol
Synonyms :NA
Chemical Name :7-[(3R)-3-Amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine-D4 hydrochloride
Stock Status :Instock

CAT. No :T190029CAS. No :1393890-33-9
Mol. F :C44H69NO12Mol. Wt :804.03 g/molSynonyms :(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,26aS)-5,6,11,12,13,14,15,16,17,18,24,25,26,26a-Tetradecahydro-5,15-dihydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetrame...

Concerned about nitrosamine impurities in your research? Look no further than Simson Pharma, your trusted source for high-quality nitrosamine impurities at unbeatable prices. Nitrosamine impurities are closely monitored due to their potential health risks, and having accurate standards is vital for an...

Stable Isotope Labelled Products

CAT. No :C320015CAS. No :79350-37-1(Unlabelled)
Mol. F :C1313C3H15N315N2O7S2
Mol. Wt :456.43 g/mol
Synonyms :(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl-13C,15N2)-2-[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Chemical Name :(6R,7R)-7-((...

CAT. No :D1530002CAS. No :72099-45-7
Mol. F :C23H29NO6
Mol. Wt :415.48 g/mol
Synonyms :(2R,6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-2,7-dihydroxy-8b-(2-hydroxyacetyl)-6a,8a,10-trimethyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2`,1`:4,5]indeno[1,2-d]oxazol-4(2H)-one;5`H-Pregna-1,4-dieno[17,16...

CAT. No :A120015CAS. No :148146-51-4
Mol. F :C26H22FNO4
Mol. Wt :431.46 g/mol
Synonyms :Atorvastatin EP Impurity D(D1);Oxiranecarboxamide,3-(4-fluorobenzoyl)-2-(2-methyl-1-oxopropyl)-N,3-diphenyl;Epoxide Impurity,3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide;Atorvastatin USP R...

CAT. No :D780024CAS. No :960404-48-2
Mol. F :C24H35ClO9
Mol. Wt :502.98 g/mol
Synonyms :Dapagliflozin Propanediol Hydrate
Chemical Name :(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol compound with (S)-propane-1,2-diol hydrate
Stock St...

CAT. No :D780003CAS. No :1351438-75-9
Mol. F :C27H33ClO12
Mol. Wt :585.00 g/mol
Synonyms :Dapagliflozin 3-O-beta-D-Glucuronide
Chemical Name :(2S,3S,4S,5R,6R)-6-(((2S,3S,4R,5R,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yl)oxy)-3,4,5-trihydroxy...

Simson Pharma offers comprehensive solutions for detecting, quantifying, and controlling nitrosamine impurities in pharmaceutical products. We supply high-purity nitrosamine reference standards and provide advanced analytical support to help manufacturers meet global regulatory requirements. Our expertise ensures accurate testing, reliable risk assessment, and compliance with FDA, EMA, and ICH guidelines for nitrosamine control.

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Simson Pharma provides high-quality peptide impurity standards and analytical support, enabling accurate identification, quantification, and control of impurities. Our solutions help manufacturers ensure regulatory compliance and deliver high-purity peptide-based pharmaceuticals.

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Simson Pharma provides high-quality impurity standards, isotope labelled compounds, controlled substance standards, and custom synthesis solutions. We offer advanced analytical services, calibration standards, and CRO support to ensure accurate testing, regulatory compliance, and reliable pharmaceutical development.

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