872801-02-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872801-02-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,0 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 872801-02:
(8*8)+(7*7)+(6*2)+(5*8)+(4*0)+(3*1)+(2*0)+(1*2)=170
170 % 10 = 0
So 872801-02-0 is a valid CAS Registry Number.
872801-02-0Relevant 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.
