27769-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27769-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,6 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27769-15:
(7*2)+(6*7)+(5*7)+(4*6)+(3*9)+(2*1)+(1*5)=149
149 % 10 = 9
So 27769-15-9 is a valid CAS Registry Number.