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

21-????-20-?????-4-?-3-?

21-????-20-?????-4-?-3-?
21-????-20-?????-4-?-3-? ??? ???
?? ??:
60966-36-1
???:
21-????-20-?????-4-?-3-?
???(??):
21-????-20-?????-4-?-3-?
???:
21-hydroxy-20-methylpregn-4-en-3-one
???(??):
Bisnoralcohol;21-hydroxy-20-methylpregn-4-en-3-one(Bisnoralcohol);Bisnoralcohol(BA);Progesterone Impurity 2;Progesterone Impurity 25;Double alcohol reduction;Progesterone intermediate;2O-Hydroxymethyl-4-pregnen-3-on;20-Hydroxymethylpregn-4-en-3-one;20-(Hydroxymethyl)pregna-4-ene-3-one
CBNumber:
CB1940833
???:
C22H34O2
??? ??:
330.5
MOL ??:
60966-36-1.mol

21-????-20-?????-4-?-3-? ??

?? ?
464.1±14.0 °C(Predicted)
??
1.07±0.1 g/cm3(Predicted)
?? ?? (pKa)
14.97±0.10(Predicted)
InChIKey
ZNWOYQVXPIEQRC-ZRFCQXGJSA-N
SMILES
C1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1)(C)[C@@H](C(C)CO)CC3)CC2
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): Health Hazard (GHS08)
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H351 ?? ??? ??? ??? (????? ?? ???? ???? ???? ??? ?? ????? ??? ???? ??) ??? ?? ?? 2 ?? P201, P202, P281, P308+P313, P405,P501
H360 ?? ?? ????? ??? ??? ? ?? ???? ?? ?? 1A, 1B ??
H362 ??? ?? ???? ??? ? ?? ???? ??,?? ?? ???? ??? ?? ?? ???? P201, P260, P263, P264, P270,P308+P313
??????:
P201 ?? ? ?? ???? ?????.
P202 ?? ?? ?? ??? ?? ???? ??? ???? ???.
P260 ??·?·??·???·??·...·????? ???? ???.
P263 ??·?? ???? ???? ???.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P281 ???? ?? ???? ?????
P308+P313 ?? ?? ??? ???? ???? ??· ??? ????.
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.

21-????-20-?????-4-?-3-? C??? ??, ??, ??

??

21-Hydroxy-20-methylpregn-4-en-3one is an impurity of the steroid hormone, progesterone (P755900), produced by the corpus luteum and induces maturation and secretory activity of the uterine endothelium; suppresses ovulation.

21-????-20-?????-4-?-3-? ?? ?? ? ???

???

?? ??


21-????-20-?????-4-?-3-? ?? ??

???( 71)?? ??
??? ?? ??? ?? ?? ? ??
Shaanxi Dideu Medichem Co. Ltd
+86-29-87569262 +86-15003564040
1056@dideu.com China 3970 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652
info@fdachem.com China 20122 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21586 55
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29815 58
Shanghai Worldyang Chemical Co.,Ltd.
+86-021-56795779 +8613651600618
sales@worldyachem.com China 967 58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
+86-021-61551413 +8618813727289
contact@trustwe.com China 5745 58
Nanjing Shizhou Biotechnology Co., Ltd
+86-15850508050
sean.lv@synzest.com China 323 58
Zhengzhou Alfa Chemical Co.,Ltd
+8618530059196
sale04@alfachem.cn China 9545 58
China fortune way company
+8610 84669320 17865159269
rnd@sinopharmintl.com CHINA 117 58
HONG KONG IPURE BIOLOGY CO.,LIMITED
86 18062405514 18062405514
ada@ipurechemical.com CHINA 3461 58

Copyright 2019 ? ChemicalBook. All rights reserved
苏州市| 靖边县| 孙吴县| 阆中市| 镇巴县| 临汾市| 勐海县| 新密市| 原平市| 新津县| 中阳县| 张家港市| 龙口市| 五家渠市| 桐城市| 佛坪县| 壤塘县| 乌鲁木齐县| 镇江市| 剑川县| 册亨县| 南涧| 高青县| 泽州县| 景东| 剑阁县| 威远县| 东光县| 毕节市| 郯城县| 莆田市| 凉城县| 青川县| 关岭| 沂水县| 中阳县| 清丰县| 石林| 东光县| 苏州市| 宜都市|