221132-62-3 Usage
Chemical Properties
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Check Digit Verification of cas no
The CAS Registry Mumber 221132-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,3 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 221132-62:
(8*2)+(7*2)+(6*1)+(5*1)+(4*3)+(3*2)+(2*6)+(1*2)=73
73 % 10 = 3
So 221132-62-3 is a valid CAS Registry Number.