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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Atazanavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Atazanavir impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Atazanavir-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Atazanavir Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Atazanavir-d6 Stable Isotopes CS-O-02748 1092540-50-5 In Stock
Des(benzylpyridyl) Atazanavir-d5 Stable Isotopes CS-T-97637 Not Available Enquire
p-Hydroxyatazanavir-d4 Stable Isotopes CS-T-97453 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Atazanavir sulfate API CS-O-30486 229975-97-7 In Stock
Atazanavir API CS-T-48390 198904-31-3 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3S,8R,9R,12S)-Atazanavir Impurity CS-O-14262 ---- In Stock
(S)-1H-benzo[d][1,2,3]triazol-1-yl 2-((methoxycarbonyl)amino... Impurity CS-O-44186 869285-68-7 Enquire
Atazanavir Benzylidenehydrazine Analogue Impurity CS-O-16123 ---- Enquire
Atazanavir Benzylidenehydrazine Carbamate Impurity CS-O-16124 ---- In Stock
Atazanavir dipeptide analog Impurity CS-O-58056 3068810-07-8 Enquire
Atazanavir EP Impurity A Hydrochloride Impurity CS-EO-03336 222986-74-5 Enquire
Atazanavir EP Impurity B Hydrochloride Impurity CS-EO-03337 2549012-96-4 Enquire
Atazanavir formyl analog Impurity CS-O-52756 3068810-04-5 Enquire
Atazanavir Hydrazine Analog Impurity CS-EO-03335 437713-06-9 Enquire
Atazanavir Impurity 36 Impurity CS-EO-02197 156990-58-8 Enquire
Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC) Impurity CS-P-06965 1006868-81-0 Enquire
Atazanavir Impurity C Impurity CS-T-07396 98760-08-8 In Stock
Atazanavir RS3 Impurity Impurity CS-O-54458 765254-57-7 Enquire
Atazanavir Valine Analog Impurity CS-O-59459 198904-34-6 Enquire
Atazanavir ethyl analog Impurity CS-O-58048 3068810-06-7 Enquire
Des-​N-​(methoxycarbonyl)​-​L-​tert-​leucine Atazanavir impu... Impurity CS-O-42976 Not Available Enquire
Des-N-(methoxycarbonyl)-L-tert-leucine Atazanavir Trihydroch... Impurity CS-EC-00092 198904-87-9 Enquire
Mono de-protected impurity of Atazanavir Sulfate Impurity CS-T-95876 857904-20-2 Enquire
Tert-butyl 2-(4-(pyridine-2-yl)benzyl)hydrazinecarboxylate Impurity CS-O-30831 198904-85-7 In Stock
(2S,3R)-3-(tert-Butoxycarbonylamino)-1,2-epoxy-4-phenylbutan... Impurity CS-T-49479 156474-22-5 Enquire
4-Pyridin-2-yl-benzoic acid Impurity CS-M-54459 4385-62-0 Enquire
8-epi Atazanavir Impurity CS-T-48393 1292296-09-3 Enquire
Atazanavir (Cyclized N--formyl hydantoin Impurity CS-O-41446 Not Available Enquire
Atazanavir Impurity 13 Impurity CS-EO-00452 257907-05-4 Enquire
Atazanavir Impurity 5 Impurity CS-O-34410 857900-54-0 (free base) Enquire
Atazanavir KSM- 2 R,R Isomer Impurity CS-EO-01944 98818-34-9 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-methoxycarbonyl-tert-leucine Intermediate CS-O-32197 162537-11-3 In Stock
N-Methyl-2-(1-methylethyl)-4-thiazolemethanamine dihydrochlo... Intermediate CS-O-10629 1185167-55-8 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-(Methoxycarbonyl)-D-tert-leucine Building Blocks CS-T-102290 1191091-65-2 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R,8R,9R,12R) Atazanavir Chiral CS-O-14267 ---- Enquire
(3R,8S,9S,12S) Atazanavir Chiral CS-O-14258 1332981-14-2 In Stock
(3S,8S,9S,12R) Atazanavir Chiral CS-O-14261 1332981-16-4 In Stock
(3S,8S,9S,12S) Atazanavir Chiral CS-O-14257 1332981-14-2 Enquire
(3R,8R,9S,12R) Atazanavir Chiral CS-O-14270 1292296-10-6 Enquire
(3S,8R,9S,12S) Atazanavir Chiral CS-O-14259 1292296-09-3 Enquire
(3S,8S,9R,12S) Atazanavir Chiral CS-O-14260 1292296-10-6 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R,8S,9S,12R)-Atazanavir Therapeutic CS-T-48394 1292296-11-7 In Stock
Atazanavir S,R,R,S-Diastereomer Therapeutic CS-P-03216 ---- Enquire