330649-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330649-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,6,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 330649-41:
(8*3)+(7*3)+(6*0)+(5*6)+(4*4)+(3*9)+(2*4)+(1*1)=127
127 % 10 = 7
So 330649-41-7 is a valid CAS Registry Number.