21262-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21262-11-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,6 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21262-11:
(7*2)+(6*1)+(5*2)+(4*6)+(3*2)+(2*1)+(1*1)=63
63 % 10 = 3
So 21262-11-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H12ClNO2/c1-7(11)10(13)12-8-4-3-5-9(6-8)14-2/h3-7H,1-2H3,(H,12,13)/t7-/m1/s1