17851-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17851-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,5 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17851-68:
(7*1)+(6*7)+(5*8)+(4*5)+(3*1)+(2*6)+(1*8)=132
132 % 10 = 2
So 17851-68-2 is a valid CAS Registry Number.
InChI:InChI=1/C25H21N3O4/c1-31-19-11-7-17(8-12-19)26-25(30)22-15-16-5-3-4-6-21(16)23(24(22)29)28-27-18-9-13-20(32-2)14-10-18/h3-15,27H,1-2H3,(H,26,30)/b28-23+
17851-68-2Relevant articles and documents
TAUTOMERIC TRANSFORMATIONS AND COLOR OF MONOAZO DYES. I. DYES BASED ON 3-SUBSTITUTED 2-NAPHTHOLS
Traven', V. F.,Kostyuchenko, E. E.,Mkhitarov, R. A.,Men'shikova, N. F.,Oreshin, M. M.,Stepanov, B. I.
, p. 922 - 930 (2007/10/02)
1-(4-X-phenylazo)-3-Y-2-naphthols, in which X = OMe, NEt2, NHC6H4OMe-4; Y = H, COOH, CONHC6H4OMe-4, CONH(CH2)2OH, OH, COOEt, CON(CH2)5, and also 1-(4-diethylaminophenylazo)-3-Y-2-hydroxybenzocarbazoles, in which Y = COOH, CONHC6H4OMe-4, COOMe, were synthe