129016-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129016-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,0,1 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129016-33:
(8*1)+(7*2)+(6*9)+(5*0)+(4*1)+(3*6)+(2*3)+(1*3)=107
107 % 10 = 7
So 129016-33-7 is a valid CAS Registry Number.