71955-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71955-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,5 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71955-65:
(7*7)+(6*1)+(5*9)+(4*5)+(3*5)+(2*6)+(1*5)=152
152 % 10 = 2
So 71955-65-2 is a valid CAS Registry Number.