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39931-88-9

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39931-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39931-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,3 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 39931-88:
(7*3)+(6*9)+(5*9)+(4*3)+(3*1)+(2*8)+(1*8)=159
159 % 10 = 9
So 39931-88-9 is a valid CAS Registry Number.

39931-88-9Relevant articles and documents

Novel phosphorus-containing 17β-side chain mifepristone analogues as progesterone receptor antagonists

Jiang, Weiqin,Allan, George,Chen, Xin,Fiordeliso, James J.,Linton, Olivia,Tannenbaum, Pamela,Xu, Jun,Zhu, Peifang,Gunnet, Joseph,Demarest, Keith,Lundeen, Scott,Sui, Zhihua

, p. 949 - 954 (2006)

A novel series of steroidal compounds were designed and synthesized with various phosphorus-containing groups on the 17β-side chain as progesterone receptor antagonists. The structure-activity relationships of these compounds are discussed. Selected compo

Design and synthesis of fluorescently labeled steroidal antiestrogens

Hanson, Robert N.,Gajadeera, Nisal

, p. 39 - 46 (2019/02/28)

A set of derivatives of 11β-(4-oxyphenyl)estradiol were prepared as potential fluorescent imaging agents for the evaluation of the estrogen receptor. The compounds were designed based on the established affinity and selectivity of 11β-[4-(dimethylethoxy)p

First synthesis and characterization for the stereoisomers of Ulipristal acetate

Zhao, Yi,Li, Xiaolong,Liu, Hong,Yu, Yongguo,Hai, Li,Guo, Li,Wu, Yong

, p. 7 - 16 (2015/01/30)

The three stereoisomers, 11α,17α-isomer I, 11α,17β-isomer II and 11β,17β-isomer III are related substances of the selective progesterone receptor modulator Ulipristal acetate. Herein, we presented an efficient and practical synthesis approach to deliver t

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