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5323-23-9

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5323-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5323-23-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,2 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5323-23:
(6*5)+(5*3)+(4*2)+(3*3)+(2*2)+(1*3)=69
69 % 10 = 9
So 5323-23-9 is a valid CAS Registry Number.

5323-23-9Relevant articles and documents

The addition of dihalocarbenes to 3 -acetoxy-B-norandrost-5-en-17-one.

Rosen,Karasiewicz

, p. 289 - 292 (1973)

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