916993-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916993-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,9,9 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 916993-88:
(8*9)+(7*1)+(6*6)+(5*9)+(4*9)+(3*3)+(2*8)+(1*8)=229
229 % 10 = 9
So 916993-88-9 is a valid CAS Registry Number.