129704-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129704-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,0 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129704-41:
(8*1)+(7*2)+(6*9)+(5*7)+(4*0)+(3*4)+(2*4)+(1*1)=132
132 % 10 = 2
So 129704-41-2 is a valid CAS Registry Number.