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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Entecavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Entecavir 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 Entecavir-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.

Entecavir Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3’,5’-Di-O-benzyl Entecavir-13C2,15N Stable Isotopes CS-T-96368 142217-81-0 (Unlabled) Enquire
Entecavir D2 Stable Isotopes CS-P-07837 142217-69-4(Unlabelled) Enquire
Entecavir Hydrochloride 13C3 15N Stable Isotopes CS-O-16068 911196-94-6 (Unlabeled) Enquire
Entecavir hydrochloride 13C3,15N Stable Isotopes CS-EK-01540 911196-94-6 unlabeled Enquire
Entecavir-13C2 Stable Isotopes CS-O-06585 1329796-53-3 In Stock
Entecavir-13C2,15N 3’’-O-β-D-Glucuronide Stable Isotopes CS-T-101432 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Entecavir API Standards CS-T-21655 142217-69-4 In Stock
Entecavir Monohydrate API Standards CS-O-00229 209216-23-9 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(tritylamino)... Impurities CS-O-35421 1345339-53-8 Enquire
1’-epi-Entecavir-di-o-benzyl Ether Impurities CS-T-92158 1354695-86-5 Enquire
1R,3S,4S-Entecavir Impurities CS-T-92310 1333204-94-6 Enquire
1S,3S,4R-Entecavir Impurities CS-T-21669 1367369-79-6 Enquire
2-Hydroxy-2,3-tetrahydrofuranyl Entecavir Impurities CS-O-20093 1984788-96-6 Enquire
3',5'-Di-O-benzyl Entecavir Impurities CS-T-17100 142217-81-0 Enquire
4’-epi-Entecavir-di-o-benzyl Ether Impurities CS-T-92181 1354695-85-4 Enquire
4-Dehydroxy-4-dimethylhydroxysilyl Entecavir Impurities CS-T-14809 870614-82-7 Enquire
4-Dehydroxy-4-dimethylphenylsilyl Entecavir Impurities CS-T-14811 701278-07-1 Enquire
6-(benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl... Impurities CS-O-35420 1661867-19-1 Enquire
8-Hydroxy Entecavir Impurities CS-O-16045 2204369-23-1 In Stock
8-Methoxy Entecavir Impurities CS-O-16042 2349444-69-3 In Stock
Entecavir EP Impurity F Impurities CS-T-05539 649761-24-0 Enquire
Entecavir Impurity 2 Impurities CS-P-07838 142217-79-6 Enquire
Entecavir Impurity 5 Impurities CS-P-07839 84868-56-4 Enquire
Entecavir Impurity 6 (ent-Entecavir-di-O-benzyl Ether) Impurities CS-P-07840 1354695-82-1 Enquire
Entecavir impurity B Impurities CS-O-15226 1367369-77-4 In Stock
Entecavir Lactose Adduct Impurity 1 Impurities CS-EO-02268 Not Available Enquire
ent-Entecavir Impurities CS-T-21658 188399-46-4 In Stock


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Entecavir Monohydrate (Y0001800) EP Standards CS-EG-01988 209216-23-9 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2-N-[(4-Methoxyphenyl)-diphenylmethyl]-4,6'-O-dibenzyl ent-... Intermediates CS-T-32470 1354695-79-6 Enquire
Chlorodimethyl(naphthalen-1-yl)silane Intermediates CS-O-41911 17950-84-4 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Entecavir Glucuronide Glucuronides CS-O-11921 Not Available Enquire