82971-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82971-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82971-09:
(7*8)+(6*2)+(5*9)+(4*7)+(3*1)+(2*0)+(1*9)=153
153 % 10 = 3
So 82971-09-3 is a valid CAS Registry Number.