Entecavir > Impurities > 18

Structure Compound Pricing
4'-epi-Entecavir-di-o-benzyl Ether
CS-T-92181 > Impurities

Molecular Formula : C26H27N5O3   Molecular Weight: 457.52   CAS Number: 1354695-85-4
Synonyms : 2-Amino-1,9-dihydro-9-[(1S,3R,4R)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6H-purin-6-one
Parent API : Entecavir
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(1R,3S,4S)-Entecavir
CS-T-92310 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 1333204-94-6
Synonyms : 2-Amino-1,9-dihydro-9-[(1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one;
Parent API : Entecavir
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1'-epi-Entecavir-di-o-benzyl Ether
CS-T-92158 > Impurities

Molecular Formula : C26H27N5O3   Molecular Weight: 457.52   CAS Number: 1354695-86-5
Synonyms : 2-Amino-1,9-dihydro-9-[(1R,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6H-purin-6-one
Parent API : Entecavir
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(1R,3R,4R)-Entecavir
CS-T-21665 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 1367369-76-3
Synonyms : 2-Amino-1,9-dihydro-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylpurin-6-one
Parent API : Entecavir
USD 6,840.00 / 10mg
USD 10,260.00 / 25mg
USD 15,390.00 / 50mg
ent-Entecavir
CS-T-21658 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 188399-46-4
Synonyms : 2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylPurin-6-one
Parent API : Entecavir
USD 1,330.00 / 10mg
USD 2,280.00 / 25mg
USD 15,390.00 / 50mg
(1S,3S,4R)-Entecavir
CS-T-21669 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 1367369-79-6
Synonyms : 2-Amino-1,9-dihydro-9-[(1S,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylpurin-6-one
Parent API : Entecavir
USD 11,400.00 / 25mg
USD 17,100.00 / 50mg
2-Hydroxy-2,3-tetrahydrofuranyl Entecavir
CS-O-20093 > Impurities

Molecular Formula : C12H15N5O4   Molecular Weight: 293.28   CAS Number: 1984788-96-6
Synonyms : 2-Hydroxy-2,3-tetrahydrofuranyl Entecavir;Entecavir Organic Impurity ;2-Amino-9-((3aS,4S,6S)-3a,6-dihydroxyhexahydro--6(9H)-one
Parent API : Entecavir
USD 6,840.00 / 10mg
USD 10,260.00 / 25mg
USD 15,390.00 / 50mg
Entecavir EP impurity F
CS-T-05539 > Impurities

Molecular Formula : C27H31N5O2Si   Molecular Weight: 485.65   CAS Number: 649761-24-0
Synonyms : 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-2-methylene-3-[(phenylmethoxy)meth-6-one;6-O-Benzyl-4-dehydroxy-4-dimethylphenylsilyl Entecavir.
Parent API : Entecavir
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8-Methoxy Entecavir
CS-O-16042 > Impurities

Molecular Formula : C13H17N5O4   Molecular Weight: 307.31   CAS Number: NA
Synonyms : 2-Amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-1H-purin-6(9H)-one; Entecavir EP Impurity E
Parent API : Entecavir
USD 6,840.00 / 10mg
USD 10,260.00 / 25mg
USD 15,390.00 / 50mg
8-Hydroxy Entecavir
CS-O-16045 > Impurities

Molecular Formula : C12H15N5O4   Molecular Weight: 293.28   CAS Number: NA
Synonyms : 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purine-6,8(7H,9H)-dione; 8-Hydroxy Entecavir; Entecavir EP Impurity C
Parent API : Entecavir
USD 6,840.00 / 10mg
USD 10,260.00 / 25mg
USD 15,390.00 / 50mg
1-epi-Entecavir
CS-O-14795 > Impurities

Molecular Formula : C12H15N5O4   Molecular Weight: 293.28   CAS Number: 1367369-78-5
Synonyms : Entecavir EP Impurity A; 2-Amino-1,9-dihydro-9-[(1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one; Entecavir Isomer Impurity 3; (1R,3R,4S)-Entecavir Isomer
Parent API : Entecavir
USD 3,040.00 / 10mg
USD 4,560.00 / 25mg
USD 6,840.00 / 50mg
Entecavir impurity B
CS-O-15226 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 1367369-77-4
Synonyms : 2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one.
Parent API : Entecavir
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4'-epi-Entecavir
CS-O-15227 > Impurities

Molecular Formula : C12H15N5O3   Molecular Weight: 277.28   CAS Number: 1367369-80-9
Synonyms : 2-amino-9-((1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one; Entecavir Isomer 2; Entecavir impurity D; CS-T-21664; 1S,3R,4R Entecavir
Parent API : Entecavir
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Entecavir Impurity 2
CS-P-07838 > Impurities

Molecular Formula : C52H47N5O5   Molecular Weight: 821.98   CAS Number: 142217-79-6
Synonyms : 3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanone
Parent API : Entecavir
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Entecavir Impurity 5
CS-P-07839 > Impurities

Molecular Weight: 457.53   CAS Number: 84868-56-4
Synonyms : N-(2-(5-methoxy-1H-indol-3-yl)ethyl)-2-(3-methyl-4-oxo-3H-pyridazino[4,5-b]indol-5(4H)-yl)butanamide
Parent API : Entecavir
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Entecavir Impurity 6 (ent-Entecavir-di-O-benzyl Ether)
CS-P-07840 > Impurities

Molecular Formula : C26H27N5O3   Molecular Weight: 457.52   CAS Number: 1354695-82-1
Synonyms : 2-amino-9-(4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-one
Parent API : Entecavir
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4-Dehydroxy-4-dimethylhydroxysilyl Entecavir
CS-T-14809 > Impurities

Molecular Formula : C14H21N5O3Si   Molecular Weight: 335.43   CAS Number: 870614-82-7
Synonyms : 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydimethylsilyl)-3-(hydroxymethyl)-2-methylpurin-6-one
Parent API : Entecavir
USD 8,360.00 / 10mg
USD 12,540.00 / 25mg
USD 18,810.00 / 50mg
4-Dehydroxy-4-dimethylphenylsilyl Entecavir
CS-T-14811 > Impurities

Molecular Formula : C20H25N5O2Si   Molecular Weight: 395.53   CAS Number: 701278-07-1
Synonyms : 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-3-(hydroxymethyl)-2-methyl-6-one
Parent API : Entecavir
USD 8,360.00 / 10mg
USD 12,540.00 / 25mg
USD 18,810.00 / 50mg