183154-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183154-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 183154-63:
(8*1)+(7*8)+(6*3)+(5*1)+(4*5)+(3*4)+(2*6)+(1*3)=134
134 % 10 = 4
So 183154-63-4 is a valid CAS Registry Number.