649766-37-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 649766-37-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,7,6 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 649766-37:
(8*6)+(7*4)+(6*9)+(5*7)+(4*6)+(3*6)+(2*3)+(1*7)=220
220 % 10 = 0
So 649766-37-0 is a valid CAS Registry Number.