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31188-65-5

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31188-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31188-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,8 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 31188-65:
(7*3)+(6*1)+(5*1)+(4*8)+(3*8)+(2*6)+(1*5)=105
105 % 10 = 5
So 31188-65-5 is a valid CAS Registry Number.

31188-65-5Relevant articles and documents

SYNTHESIS OF DEHYDRO-3,3'-BIS(p-HYDROXYCINNAMOYL)-5,5'-METHYLENEDIFILICINIC ACID, AN ANALOG OF CARTHAMIN

Obara, Heitaro,Onodera, Jun-ichi,Shirasaki, Fumio

, p. 1095 - 1098 (1980)

In connection with the studies on the structure of carthamin (1), dehydro-3,3'-bis(p-hydroxycinnamoyl)-5,5'-methylenedifilicinic acid, an analog of 1, was synthesized from 2-benzoylphloroglucinol through five steps and its properties were compared with th

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