18627-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18627-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,2 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18627-63:
(7*1)+(6*8)+(5*6)+(4*2)+(3*7)+(2*6)+(1*3)=129
129 % 10 = 9
So 18627-63-9 is a valid CAS Registry Number.