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21066-07-9

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21066-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21066-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,6 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21066-07:
(7*2)+(6*1)+(5*0)+(4*6)+(3*6)+(2*0)+(1*7)=69
69 % 10 = 9
So 21066-07-9 is a valid CAS Registry Number.

21066-07-9Relevant articles and documents

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Levin,Spielman

, p. 920 (1940)

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Synthesis of 5α-cholestan-6-one derivatives with some substituents at the C-1, C-2, or C-3 position

Takatsuto,Ikekawa

, p. 986 - 995 (2007/10/02)

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