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1237-43-0

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1237-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1237-43-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1237-43:
(6*1)+(5*2)+(4*3)+(3*7)+(2*4)+(1*3)=60
60 % 10 = 0
So 1237-43-0 is a valid CAS Registry Number.

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