646071-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 646071-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,0,7 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 646071-33:
(8*6)+(7*4)+(6*6)+(5*0)+(4*7)+(3*1)+(2*3)+(1*3)=152
152 % 10 = 2
So 646071-33-2 is a valid CAS Registry Number.