129282-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129282-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,8 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 129282-42:
(8*1)+(7*2)+(6*9)+(5*2)+(4*8)+(3*2)+(2*4)+(1*2)=134
134 % 10 = 4
So 129282-42-4 is a valid CAS Registry Number.