24163-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24163-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,1,6 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24163-24:
(7*2)+(6*4)+(5*1)+(4*6)+(3*3)+(2*2)+(1*4)=84
84 % 10 = 4
So 24163-24-4 is a valid CAS Registry Number.
24163-24-4Relevant articles and documents
Bromination of 2-/4-arylamino-1,4-/1,2-naphthoquinones with ethylbromide and DMSO
Kallmayer,Doerr
, p. 117 - 124 (2007/10/03)
2-/4-Arylamino-1,4-/1,2-naphthoquinones 4, 6, 7 and 13 are brominated with ethylbromide/DMSO to give 2-/4-arylamino-3-bromo-1,4-/1,2-naphthoquinones 2, 5, 8 and 14. 2-/4-(N-alkyl-arylamino)-1,4/1,2-naphthoquinones 6a and 13 are arylbrominated too.
