402732-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402732-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,7,3 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 402732-26:
(8*4)+(7*0)+(6*2)+(5*7)+(4*3)+(3*2)+(2*2)+(1*6)=107
107 % 10 = 7
So 402732-26-7 is a valid CAS Registry Number.