Sulfacetamide Sodium

A nonsteroidal, selective estrogen receptor modulator (SERM). Antiosteoporotic.

Labeled Tolterodine, intended for use as an internal standard for the quantification of Tolterodine by GC- or LC-mass spectrometry.

A dihydropyridine calcium channel blocker.;Labeled Lercanidipine, intended for use as an internal standard for the quantification of Lercanidipine by GC- or LC-mass spectrometry.

Labeled Ezetimibe, intended for use as an internal standard for the quantification of Ezetimibe by GC- or LC-mass spectrometry.

A labeled metabolite of Atorvastatin,;Labeled Atorvastatin, intended for use as an internal standard for the quantification of Atorvastatin by GC- or LC-mass spectrometry.

Labelled Clomiphene. Synthetic estrogen agonist-antagonist. Gonad-stimulating principle.;Labeled Clomiphene, intended for use as an internal standard for the quantification of Clomiphene by GC- or LC-mass spectrometry.

Deutetrabenazine is a first-in-class, orally bioavailable deuterated vesicular monoamine transporter 2 (VMAT2) inhibitor approved for the treatment of chorea associated with Huntington’s disease and tardive dyskinesia. 

Methylboronic Acid-d₃ (CD₃B(OH)₂) is a high-purity deuterated organoboron building block widely used in the synthesis of stable isotope-labeled pharmaceuticals, advanced intermediates, and analytical reference standards. It is an essential reagent for Suzuki–Miyaura cross-coupling reactions, enabling the e...

Methyl iodide-d₃ (CD₃I) is a high-purity deuterated methylating reagent widely used in the synthesis of stable isotope-labeled pharmaceuticals, intermediates, metabolites, and analytical reference standards. It enables the efficient incorporation of a deuterated methyl (–CD₃) group into complex organic mol...

Methyl Tosylate-d₃ (CD₃OTs) is a high-purity deuterated methylating reagent widely used in the synthesis of stable isotope-labeled pharmaceuticals, intermediates, and analytical reference standards. It enables the efficient introduction of a deuterated methyl (–CD₃) group into target molecules, making it a...

Methylamine-d₃ Hydrochloride serves as a key deuterated building block for introducing a CD₃-labeled methylamine moiety into complex organic molecules. It is extensively used in the preparation of deuterated drug candidates, impurities, and metabolites, including compounds such as: Deucravacitinib-d₃ ...

2-(3,4-bis(methoxy-d3)phenyl)ethan-1-amine is an advanced deuterated intermediate essential for the commercial synthesis and manufacturing of Deutetrabenazine (API)

Clearsynth Labs Limited is a technology-based, research-driven, innovation-led enterprise specializing in deuterium chemistry and stable isotopes. Headquartered in Mumbai, with an R&D center in Hyderabad and a CDMO facility in Karnataka, alongside operations in Canada and the USA, we deliver solutions from milligram-scale R&D to multi-ton manufacturing. Our expertise spans deuterated APIs, intermediates, impurities, and reference standards. Backed by strong IP and 350+ scientists, we partner with innovators and generics across CDMO and CMO segments, committed to precision, quality, and advancing next-generation isotopic solutions for global pharmaceutical needs.