97838-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97838-63-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,3 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97838-63:
(7*9)+(6*7)+(5*8)+(4*3)+(3*8)+(2*6)+(1*3)=196
196 % 10 = 6
So 97838-63-6 is a valid CAS Registry Number.