13769-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13769-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,6 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13769-32:
(7*1)+(6*3)+(5*7)+(4*6)+(3*9)+(2*3)+(1*2)=119
119 % 10 = 9
So 13769-32-9 is a valid CAS Registry Number.