345930-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345930-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,9,3 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 345930-74:
(8*3)+(7*4)+(6*5)+(5*9)+(4*3)+(3*0)+(2*7)+(1*4)=157
157 % 10 = 7
So 345930-74-7 is a valid CAS Registry Number.