129790-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129790-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,9 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129790-15:
(8*1)+(7*2)+(6*9)+(5*7)+(4*9)+(3*0)+(2*1)+(1*5)=154
154 % 10 = 4
So 129790-15-4 is a valid CAS Registry Number.