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23132-33-4

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23132-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23132-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,1,3 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23132-33:
(7*2)+(6*3)+(5*1)+(4*3)+(3*2)+(2*3)+(1*3)=64
64 % 10 = 4
So 23132-33-4 is a valid CAS Registry Number.

23132-33-4Relevant articles and documents

Preparation of optically active 4-substituted γ-lactones by lipase-catalyzed optical resolution

Shimotori, Yasutaka,Hoshi, Masayuki,Inoue, Keita,Osanai, Takeshi,Okabe, Hayato,Miyakoshi, Tetsuo

, p. 165 - 174 (2015)

Optically active 4-substituted γ-lactones (3 and 4) were synthesized effectively using lipase-catalyzed optical resolution. N-methyl-4-hydroxyalkanamides (rac-1a-i) as substrates were prepared from N-methylsuccinimide. The alkylation of N-methylsuccinimid

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