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99548-21-7

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99548-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99548-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,4 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99548-21:
(7*9)+(6*9)+(5*5)+(4*4)+(3*8)+(2*2)+(1*1)=187
187 % 10 = 7
So 99548-21-7 is a valid CAS Registry Number.

99548-21-7Relevant articles and documents

Efficient Asymmetric Synthesis of (+)-Mesembrine and Related Chiral 4,4-Disubstituted Cyclohexanones

Meyers, A. I.,Hanreich, Reinhard,Wanner, Klaus Th.

, p. 7776 - 7778 (2007/10/02)

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