945556-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 945556-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,5,5 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 945556-91:
(8*9)+(7*4)+(6*5)+(5*5)+(4*5)+(3*6)+(2*9)+(1*1)=212
212 % 10 = 2
So 945556-91-2 is a valid CAS Registry Number.