683772-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683772-96-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,7,7 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 683772-96:
(8*6)+(7*8)+(6*3)+(5*7)+(4*7)+(3*2)+(2*9)+(1*6)=215
215 % 10 = 5
So 683772-96-5 is a valid CAS Registry Number.