1021244-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021244-26-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,4 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1021244-26:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*4)+(3*4)+(2*2)+(1*6)=77
77 % 10 = 7
So 1021244-26-7 is a valid CAS Registry Number.