196938-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196938-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,9,3 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 196938-41:
(8*1)+(7*9)+(6*6)+(5*9)+(4*3)+(3*8)+(2*4)+(1*1)=197
197 % 10 = 7
So 196938-41-7 is a valid CAS Registry Number.