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???????? ??
- ?? ?
- 661.4±65.0 °C(Predicted)
- ??
- 1.81±0.1 g/cm3(Predicted)
- ?? ?? (pKa)
- 14.22±0.60(Predicted)
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(1R,3S,4S)-Entecavir is an impurity of Entecavir (E558900).???????? ?? ?? ? ???
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| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Standardpharm Co. Ltd. | 86-714-3992388 |
overseasales1@yongstandards.com | United States | 14332 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29808 | 58 |
| China National Standard Pharmaceutical Corporation Limited | +8615391658522 |
overseasales@yongstandards.com | China | 11922 | 58 |
| Changzhou AniKare Pharmatech Co., Ltd. | +86-0519-8359-8696 +8618018249389 |
sales@anikare.com | China | 9868 | 58 |
| Shandong Boluoda Biological Technology Co., Ltd. | 0531-68652053 |
2310993908@qq.com | China | 1671 | 58 |
| Lianyungang TengFa Biological Technology Co. Ltd | 0518-85475186 18705131893 |
wang666xt@163.com | China | 351 | 55 |
| Pharmacodia (Beijing) Co.,Ltd | +86-400-851-9921 |
sales@pharmacodia.com | China | 2317 | 55 |
| Roark Standards | 0755-83552066 15986688328 |
service@roarkstandards.com | China | 1442 | 58 |
| Hubei Yangxin Medical Technology Co., Ltd. | 15374522761 |
3003392093@qq.com | China | 8790 | 55 |
| Shenzhen SUNGENING Bio-Medical Co., Ltd. | 0755-28967200 13631290199 |
wxf@sungening.com | China | 9580 | 60 |
???????? ?? ??:
(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol
6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine
6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-
(1R,3R,4R)-Entecavir
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone
2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one
Entecavir
(1S, 2R)-2-(Benzyloxymethyl)-1-hydroxy-3-cyclopentene
Entecavir Impurity 17(Entecavir EP Impurity C)
6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir
(1S,3S,4R)-Entecavir
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
Entecavir Impurity 5
2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate
2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one
(2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(phenylmethoxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanol
(1'S,3'S,4'S)-Entecavir IsoMer
Entecavir Impurity 32