Cas 131132-62-2,1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol

131132-62-2

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Basic information

Product Name: 1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol
Synonyms: 1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol
CAS NO:131132-62-2
Molecular Formula:
Molecular Weight: 339.31
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol(CAS DataBase Reference)
NIST Chemistry Reference: 1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol(131132-62-2)
EPA Substance Registry System: 1-phenyl-3-methyl-4-(2-hydroxy-5-nitrophenylazo)-2-naphthol(131132-62-2)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 131132-62-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 131132-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,3 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131132-62:
(8*1)+(7*3)+(6*1)+(5*1)+(4*3)+(3*2)+(2*6)+(1*2)=72
72 % 10 = 2
So 131132-62-2 is a valid CAS Registry Number.

131132-62-2Upstream product

131132-62-2Downstream Products

131132-62-2Relevant academic research and scientific papers

Synthesis of 1-aryl(hetaryl)pyrazol-5-ols and azopyrazoles on their basis

Kuznetsov,Ruchkina,Kobrakov

, p. 441 - 447 (2011)

Treatment of 3,5-dichloropyrid-2-ylhydrazine, and of mono- and dinitrophenylhydrazines with acetoacetic ester gave hydrazones and the products of their cyclization, namely pyrazolols. It was shown that acetoacetic ester 2,4-dinitrophenylhydrazone cyclizes

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