1280787-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1280787-26-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,7,8 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1280787-26:
(9*1)+(8*2)+(7*8)+(6*0)+(5*7)+(4*8)+(3*7)+(2*2)+(1*6)=179
179 % 10 = 9
So 1280787-26-9 is a valid CAS Registry Number.