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1230-40-6

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1230-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1230-40-6 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 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1230-40:
(6*1)+(5*2)+(4*3)+(3*0)+(2*4)+(1*0)=36
36 % 10 = 6
So 1230-40-6 is a valid CAS Registry Number.

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