343926-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343926-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,9,2 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343926-72:
(8*3)+(7*4)+(6*3)+(5*9)+(4*2)+(3*6)+(2*7)+(1*2)=157
157 % 10 = 7
So 343926-72-7 is a valid CAS Registry Number.