77464-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77464-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,6 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77464-15:
(7*7)+(6*7)+(5*4)+(4*6)+(3*4)+(2*1)+(1*5)=154
154 % 10 = 4
So 77464-15-4 is a valid CAS Registry Number.