Cas 84705-57-7,5-(6-Hydroxy-4,7-dimethoxy-benzofuran-5-yl)-4-(3-nitro-phenylazo)-2,4-dihydro-pyrazol-3-one

84705-57-7

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Basic information

Product Name: 5-(6-Hydroxy-4,7-dimethoxy-benzofuran-5-yl)-4-(3-nitro-phenylazo)-2,4-dihydro-pyrazol-3-one
Synonyms:
CAS NO:84705-57-7
Molecular Formula:
Molecular Weight: 425.357
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: 5-(6-Hydroxy-4,7-dimethoxy-benzofuran-5-yl)-4-(3-nitro-phenylazo)-2,4-dihydro-pyrazol-3-one(CAS DataBase Reference)
NIST Chemistry Reference: 5-(6-Hydroxy-4,7-dimethoxy-benzofuran-5-yl)-4-(3-nitro-phenylazo)-2,4-dihydro-pyrazol-3-one(84705-57-7)
EPA Substance Registry System: 5-(6-Hydroxy-4,7-dimethoxy-benzofuran-5-yl)-4-(3-nitro-phenylazo)-2,4-dihydro-pyrazol-3-one(84705-57-7)

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: 84705-57-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 84705-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,0 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84705-57:
(7*8)+(6*4)+(5*7)+(4*0)+(3*5)+(2*5)+(1*7)=147
147 % 10 = 7
So 84705-57-7 is a valid CAS Registry Number.

84705-57-7Upstream product

84705-50-0 5-Hydroxy-4,9-dimethoxy-6-(3-nitro-phenylazo)-furo[3,2-g]chromen-7-one

84705-57-7Downstream Products

84705-57-7Relevant academic research and scientific papers

Synthesis of 3-Substituted Benzofuryl-4-arylazo-5-pyrazolone Derivatives & Their Antibacterial Activity

Hishmat, Orchidee H.,Gohar, Abdel Kerim M. M.,Nasef, Atiat M. M.,El-Nakkady, Sally S. E.-D.

, p. 790 - 792 (2007/10/02)

5-Hydroxybergapten (Ia) an 5-hydroxyisopimpinellin (Ib) react with aryl diazonium chlorides to form the corresponding 6-arylazo dervatives (IIa-k).The latter compounds undergo opening of the pyrone ring upon treatment with hydrazine hydrate to form 4-aryl

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