97071-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97071-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,7 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97071-77:
(7*9)+(6*7)+(5*0)+(4*7)+(3*1)+(2*7)+(1*7)=157
157 % 10 = 7
So 97071-77-7 is a valid CAS Registry Number.