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1144-56-5

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1144-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1144-56-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,4 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1144-56:
(6*1)+(5*1)+(4*4)+(3*4)+(2*5)+(1*6)=55
55 % 10 = 5
So 1144-56-5 is a valid CAS Registry Number.

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