431946-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431946-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,9,4 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 431946-41:
(8*4)+(7*3)+(6*1)+(5*9)+(4*4)+(3*6)+(2*4)+(1*1)=147
147 % 10 = 7
So 431946-41-7 is a valid CAS Registry Number.