329901-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 329901-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,9,0 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 329901-23:
(8*3)+(7*2)+(6*9)+(5*9)+(4*0)+(3*1)+(2*2)+(1*3)=147
147 % 10 = 7
So 329901-23-7 is a valid CAS Registry Number.