22546-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22546-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,4 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22546-38:
(7*2)+(6*2)+(5*5)+(4*4)+(3*6)+(2*3)+(1*8)=99
99 % 10 = 9
So 22546-38-9 is a valid CAS Registry Number.