156336-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156336-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,3 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156336-33:
(8*1)+(7*5)+(6*6)+(5*3)+(4*3)+(3*6)+(2*3)+(1*3)=133
133 % 10 = 3
So 156336-33-3 is a valid CAS Registry Number.