1262142-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1262142-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,1,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1262142-19:
(9*1)+(8*2)+(7*6)+(6*2)+(5*1)+(4*4)+(3*2)+(2*1)+(1*9)=117
117 % 10 = 7
So 1262142-19-7 is a valid CAS Registry Number.