777953-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 777953-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,7,9,5 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 777953-32:
(8*7)+(7*7)+(6*7)+(5*9)+(4*5)+(3*3)+(2*3)+(1*2)=229
229 % 10 = 9
So 777953-32-9 is a valid CAS Registry Number.