129850-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129850-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,5 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129850-55:
(8*1)+(7*2)+(6*9)+(5*8)+(4*5)+(3*0)+(2*5)+(1*5)=151
151 % 10 = 1
So 129850-55-1 is a valid CAS Registry Number.