329971-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 329971-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,9,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 329971-09:
(8*3)+(7*2)+(6*9)+(5*9)+(4*7)+(3*1)+(2*0)+(1*9)=177
177 % 10 = 7
So 329971-09-7 is a valid CAS Registry Number.