ChemicalBook >?? ???? >(1R,3R,4R)-?????
(1R,3R,4R)-?????
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(1R,3R,4R)-????? ??
- ???
- >215°C (dec.)
- ?? ?
- 661.4±65.0 °C(Predicted)
- ??
- 1.81±0.1 g/cm3(Predicted)
- ?? ??
- -20°C Freezer, Under Inert Atmosphere
- ???
- DMSO(?? ???), ???(?? ?? ???, ??, ??? ??)
- ??? ??
- ??
- ??? ??
- ??? ??
- ?? ?? (pKa)
- 14.22±0.60(Predicted)
- ??
- ???? ?????
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(1R,3R,4R)-????? C??? ??, ??, ??
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(1R,3R,4R)-Entecavir is an isomeric impurity of Entecavir (E558900).(1R,3R,4R)-????? ?? ?? ? ???
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(1R,3R,4R)-????? ?? ??
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| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Lianyungang happen teng technology co., LTD | 15950718863 |
wang666xt@163.com | CHINA | 295 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 |
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fred.wen@crcorporation.cn | China | 8645 | 58 |
| CD Chemical Group Limited | +8615986615575 |
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| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418684 +8618949823763 |
sales@tnjchem.com | China | 25356 | 58 |
| Sinco Pharmachem (ShenZhen) R&D Co., Ltd. | +undefined18603013401 |
jack.lin@sincopharmachem.com | China | 10000 | 58 |
| Amadis Chemical Company Limited | 571-89925085 |
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| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +8613670046396 |
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(1R,3R,4R)-????? ?? ??:
2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate
6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir
Entecavir Impurity
2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one
(1'S,3'S,4'S)-Entecavir IsoMer
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
(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
Entecavir
Entecavir Impurity 17(Entecavir EP Impurity C)
6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine
1R 3S 4R-Ent-Entecavir
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
Entecavir Impurity 5
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone
Entecavir Impurity 6