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1239861-07-4

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1239861-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239861-07-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,6 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239861-07:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*6)+(3*1)+(2*0)+(1*7)=174
174 % 10 = 4
So 1239861-07-4 is a valid CAS Registry Number.

1239861-07-4Relevant articles and documents

Stereocontolled synthesis of (-)-afzelechin: General route to catechin-class polyphenols by solving an SN2 vs. SN1 problem

Ohmori, Ken,Takeda, Megumi,Higuchi, Takashi,Shono, Tomohiro,Suzuki, Keisuke

, p. 934 - 935,2 (2020/08/31)

Stereocontrolled synthesis of (-)-afzelechin was achieved via the Mitsunobu reaction, where complete stereospecificity was observed when an electron-withdrawing group was introduced to the para-position of the B-ring fragment. Copyright

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