1633-35-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1633-35-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1633-35:
(6*1)+(5*6)+(4*3)+(3*3)+(2*3)+(1*5)=68
68 % 10 = 8
So 1633-35-8 is a valid CAS Registry Number.