769973-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 769973-15-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,9,7 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 769973-15:
(8*7)+(7*6)+(6*9)+(5*9)+(4*7)+(3*3)+(2*1)+(1*5)=241
241 % 10 = 1
So 769973-15-1 is a valid CAS Registry Number.