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57616-20-3

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57616-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57616-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57616-20:
(7*5)+(6*7)+(5*6)+(4*1)+(3*6)+(2*2)+(1*0)=133
133 % 10 = 3
So 57616-20-3 is a valid CAS Registry Number.

57616-20-3Relevant articles and documents

Synthesis of CF3CH2-Containing Indolines by Transition-Metal-Free Aryltrifluoromethylation of Unactivated Alkenes

Liang, Deqiang,Dong, Qishan,Xu, Penghui,Dong, Ying,Li, Weili,Ma, Yinhai

supporting information, p. 11978 - 11986 (2018/09/27)

With an unactivated double bond as the radical acceptor, allyl amines underwent a metal-free trifluoromethylation/cyclization cascade with CF3SO2Na (Langlois' reagent), affording CF3CH2-containing indolines and tetrahydroisoquinolines, whose practical syntheses are significant challenges. This protocol features mild conditions, low cost, and a broad substrate scope.

Cyanopyrrole-sulfonamide progesterone receptor modulators and uses thereof

-

Page/Page column 15, (2010/11/25)

Progesterone receptor modulators of formula I, or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein, are useful for contrace

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