1287702-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1287702-26-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,7,0 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1287702-26:
(9*1)+(8*2)+(7*8)+(6*7)+(5*7)+(4*0)+(3*2)+(2*2)+(1*6)=174
174 % 10 = 4
So 1287702-26-4 is a valid CAS Registry Number.