32790-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32790-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,9 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 32790-21:
(7*3)+(6*2)+(5*7)+(4*9)+(3*0)+(2*2)+(1*1)=109
109 % 10 = 9
So 32790-21-9 is a valid CAS Registry Number.