ChemicalBook >?? ???? >3-??-23,24-?????-4-?-22-?

3-??-23,24-?????-4-?-22-?

3-??-23,24-?????-4-?-22-? ??? ???

?? ??:: 40736-33-2

???:: 3-??-23,24-?????-4-?-22-?

???(??):: 3-??-23,24-?????-4-?-22-?

???:: 3-keto-23,24-bisnorchol-4-en-22-ol

???(??):: (20S)-21-Hydroxy-20-Methylpregn-4-en-3-one;Estradiol Impurity VII;Progesterone Impurity 69;Progesterone Impurity 38;Progesterone Impurity N2;Stigmasterol Impurity 10;23,24-Bisnorchol-4-en-3-on-22-ol;3-keto-23,24-bisnorchol-4-en-22-ol;21-hydroxy-20-methylpregn-4-ene-3-one,BA;Pregn-4-en-3-one, 21-hydroxy-20-methyl-, (20S)-

CBNumber:: CB81320862

???:: C22H34O2

??? ??:: 330.5

MOL ??:: 40736-33-2.mol

MSDS ??:: SDS

?? ?? 39

3-??-23,24-?????-4-?-22-? ??

???: 178-180 °C

?? ?: 464.1±14.0 °C(Predicted)

??: 1.07±0.1 g/cm3(Predicted)

???: ?????(?? ???), ???????(?? ???)

??? ??: ??

??? ??: ??? ??

?? ?? (pKa): 14.97±0.10(Predicted)

??: ???? ?????

InChIKey: ZNWOYQVXPIEQRC-HOFZUOGSSA-N

SMILES: C1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1)(C)[C@@H]([C@H](C)CO)CC3)CC2

??

3-??-23,24-?????-4-?-22-? C??? ??, ??, ??

??

(20S)-21-Hydroxy-20-methylpregn-4-en-3-one is a side chain degradation product of natural sterols. It is also an intermediate in the preparation of follicular fluid-meiosis activating sterol.

3-??-23,24-?????-4-?-22-? ?? ?? ? ???

???

?? ??

???????????

3-??-23,24-?????-4-?-22-? ?? ??

???( 39)?? ??

???	??	???	??	?? ?	??
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10403	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19936	58
Shaanxi Dideu New Materials Co. Ltd	+86-18192503167 18192503167	1036@dideu.com	China	7915	58
Wuhan yuqing jiaheng pharmaceutical co. LTD	027-83855389 13545340383	2586905842@qq.com	China	980	58
Shanghai xinchenfa Chemical Technology Co.,Ltd	021-13564487020 13564487020	3546809660@qq.com	China	498	58
J & K SCIENTIFIC LTD.	18210857532; 18210857532	jkinfo@jkchemical.com	China	96815	76
Chemsky (shanghai) International Co.,Ltd	021-50135380	shchemsky@sina.com	China	15402	60
Shanghai TaoSu Biochemical Technology Co., Ltd.	021-33632979	info@tsbiochem.com	China	8065	58
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18190	56
Finetech Industry Limited	027-87465837 19945049750	sales@finetechnology-ind.com	China	9345	58

3-??-23,24-?????-4-?-22-? ?? ??:

20-(HYDROXYMETHYL)PREGNA-1,4-DIEN-3-ONE 21-hydroxy-20-methylpregna-1,4-dien-3-one 3ALPHA,20ALPHA-DIHYDROXY-5BETA-PREGNANE 3-GLUCURONIDE Progesterone EP Impurity G Pregnenolone acetate

一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线