64212-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64212-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,1 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64212-77:
(7*6)+(6*4)+(5*2)+(4*1)+(3*2)+(2*7)+(1*7)=107
107 % 10 = 7
So 64212-77-7 is a valid CAS Registry Number.