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15223-09-3

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15223-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15223-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,2 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15223-09:
(7*1)+(6*5)+(5*2)+(4*2)+(3*3)+(2*0)+(1*9)=73
73 % 10 = 3
So 15223-09-3 is a valid CAS Registry Number.

15223-09-3Relevant articles and documents

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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