437613-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437613-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,6,1 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 437613-64:
(8*4)+(7*3)+(6*7)+(5*6)+(4*1)+(3*3)+(2*6)+(1*4)=154
154 % 10 = 4
So 437613-64-4 is a valid CAS Registry Number.