330999-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330999-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,9,9 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 330999-12:
(8*3)+(7*3)+(6*0)+(5*9)+(4*9)+(3*9)+(2*1)+(1*2)=157
157 % 10 = 7
So 330999-12-7 is a valid CAS Registry Number.