32771-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32771-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,7 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 32771-97:
(7*3)+(6*2)+(5*7)+(4*7)+(3*1)+(2*9)+(1*7)=124
124 % 10 = 4
So 32771-97-4 is a valid CAS Registry Number.