22647-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22647-94-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,4 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22647-94:
(7*2)+(6*2)+(5*6)+(4*4)+(3*7)+(2*9)+(1*4)=115
115 % 10 = 5
So 22647-94-5 is a valid CAS Registry Number.