91647-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91647-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,4 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91647-54:
(7*9)+(6*1)+(5*6)+(4*4)+(3*7)+(2*5)+(1*4)=150
150 % 10 = 0
So 91647-54-0 is a valid CAS Registry Number.