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ChemicalBook >> CAS DataBase List >> 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- price.
  • $249 - $3842
  • Product name: 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-
  • CAS: 188399-46-4
  • MF: C12H15N5O3
  • MW: 277.28
  • EINECS:
  • MDL Number:MFCD16660347
  • Synonyms:[1R-(1α,3α,4β)]-2-AMino-1,9-dihydro-9-[4-hydroxy-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one;6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-;2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one;2-amino-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one;enantiomer ENANTIOMER F;Entecavir impurity 4/(1R,3S,4R)-Entecavir/2-amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one;ent-Entecavir;2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one
Price13 Properties Safety Information Description
13 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • AvaChem
  • Chemenu
  • DC Chemicals
  • Medical Isotopes, Inc.
  • Usbiological
Package
  • 5mg
  • 10mg
  • 1mg
  • 001
  • 50mg
  • 100mg
  • 0.25G
  • 250mg
  • Manufactureraablocks
  • Product numberAA002GS0
  • Product description2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95%
  • Packaging100mg
  • Price$2694
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002GS0
  • Product description2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95%
  • Packaging250mg
  • Price$3842
  • Updated2026-05-28
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCCH0032349
  • Product description2-AMINO-9-((1R,3S,4R)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL)-1H-PURIN-6(9H)-ONE 95.00%
  • Packaging0.25G
  • Price$461
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number4969
  • Product descriptionent-Entecavir 98%
  • Packaging10mg
  • Price$1290
  • Updated2026-05-22
  • Buy
  • ManufacturerAvaChem
  • Product number4969
  • Product descriptionent-Entecavir 98%
  • Packaging1mg
  • Price$249
  • Updated2026-05-22
  • Buy
  • ManufacturerAvaChem
  • Product number4969
  • Product descriptionent-Entecavir 98%
  • Packaging5mg
  • Price$690
  • Updated2026-05-22
  • Buy
  • ManufacturerChemenu
  • Product numberCM237166
  • Product description2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95%
  • Packaging100mg
  • Price$1248
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM237166
  • Product description2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95%
  • Packaging100mg
  • Price$1248
  • Updated2026-05-20
  • Buy
  • ManufacturerDC Chemicals
  • Product number025870
  • Product descriptionEntecavirEnantiomer
  • Packaging001
  • Price$1100
  • Updated2021-12-16
  • Buy
  • ManufacturerDC Chemicals
  • Product numberDC39827
  • Product descriptionEntecavir Enantiomer
  • Packaging50mg
  • Price$1100
  • Updated2026-05-24
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number51180
  • Product descriptionent-Entecavir
  • Packaging10mg
  • Price$3475
  • Updated2021-12-16
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number51180
  • Product descriptionent-Entecavir
  • Packaging1mg
  • Price$775
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number011125
  • Product descriptionent-Entecavir
  • Packaging1mg
  • Price$638
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002GS0 2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95% 100mg $2694 2026-05-28 Buy
aablocks AA002GS0 2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95% 250mg $3842 2026-05-28 Buy
American Custom Chemicals Corporation CCH0032349 2-AMINO-9-((1R,3S,4R)-4-HYDROXY-3-(HYDROXYMETHYL)-2-METHYLENECYCLOPENTYL)-1H-PURIN-6(9H)-ONE 95.00% 0.25G $461 2021-12-16 Buy
AvaChem 4969 ent-Entecavir 98% 10mg $1290 2026-05-22 Buy
AvaChem 4969 ent-Entecavir 98% 1mg $249 2026-05-22 Buy
AvaChem 4969 ent-Entecavir 98% 5mg $690 2026-05-22 Buy
Chemenu CM237166 2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95% 100mg $1248 2026-05-26 Buy
Chemenu CM237166 2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one 95% 100mg $1248 2026-05-20 Buy
DC Chemicals 025870 EntecavirEnantiomer 001 $1100 2021-12-16 Buy
DC Chemicals DC39827 Entecavir Enantiomer 50mg $1100 2026-05-24 Buy
Medical Isotopes, Inc. 51180 ent-Entecavir 10mg $3475 2021-12-16 Buy
Medical Isotopes, Inc. 51180 ent-Entecavir 1mg $775 2021-12-16 Buy
Usbiological 011125 ent-Entecavir 1mg $638 2021-12-16 Buy

Properties

Melting point :>239°C (dec.)
Density :1.81
storage temp. :Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility :DMSO (Slightly), Methanol (Slightly)
form :Solid
pka :9+-.0.20(Predicted)
color :White to Off-White
InChI :InChI=1S/C12H15N5O3/c1-5-6(3-18)8(19)2-7(5)17-4-14-9-10(17)15-12(13)16-11(9)20/h4,6-8,18-19H,1-3H2,(H3,13,15,16,20)/t6-,7-,8-/m1/s1
InChIKey :QDGZDCVAUDNJFG-BWZBUEFSSA-N
SMILES :N1C2=C(N=C(N)NC2=O)N([C@@H]2C[C@@H](O)[C@H](CO)C2=C)C=1

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

ent-Entecavir is an enantiomeric impurity of the antiviral drug Entecavir (E558900).

More related product prices

(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol 748812-53-5 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine 2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one (1R,3R,4R)-Entecavir Entecavir Impurity 2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one (1S, 2R)-2-(Benzyloxymethyl)-1-hydroxy-3-cyclopentene (1S,3S,4R)-Entecavir Entecavir (1'S,3'S,4'S)-Entecavir IsoMer

Related product price

Suppliers and manufacturers

career henan chemical co
6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-
$9.80
6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- CAS:188399-46-4
Capot Chemical Co.,Ltd.
Lianyungang happen teng technology co., LTD
Standardpharm Co. Ltd.
BOC Sciences
CONIER CHEM AND PHARMA LIMITED
Career Henan Chemica Co
ANHUI WITOP BIOTECH CO., LTD
CR Corporation Limited
NewCan Biotech Limited