32640-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32640-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,4 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 32640-39:
(7*3)+(6*2)+(5*6)+(4*4)+(3*0)+(2*3)+(1*9)=94
94 % 10 = 4
So 32640-39-4 is a valid CAS Registry Number.