38774-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38774-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,7,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38774-91:
(7*3)+(6*8)+(5*7)+(4*7)+(3*4)+(2*9)+(1*1)=163
163 % 10 = 3
So 38774-91-3 is a valid CAS Registry Number.