129170-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129170-47-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,7 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129170-47:
(8*1)+(7*2)+(6*9)+(5*1)+(4*7)+(3*0)+(2*4)+(1*7)=124
124 % 10 = 4
So 129170-47-4 is a valid CAS Registry Number.