Cas 128891-79-2,2-(2-Hydroxy-phenyl)-7-methoxy-1-methyl-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one

128891-79-2

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Basic information

Product Name: 2-(2-Hydroxy-phenyl)-7-methoxy-1-methyl-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one
Synonyms:
CAS NO:128891-79-2
Molecular Formula:
Molecular Weight: 322.32
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: 2-(2-Hydroxy-phenyl)-7-methoxy-1-methyl-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one(CAS DataBase Reference)
NIST Chemistry Reference: 2-(2-Hydroxy-phenyl)-7-methoxy-1-methyl-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one(128891-79-2)
EPA Substance Registry System: 2-(2-Hydroxy-phenyl)-7-methoxy-1-methyl-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one(128891-79-2)

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: 128891-79-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 128891-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,9 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128891-79:
(8*1)+(7*2)+(6*8)+(5*8)+(4*9)+(3*1)+(2*7)+(1*9)=172
172 % 10 = 2
So 128891-79-2 is a valid CAS Registry Number.

128891-79-2Upstream product

128891-79-2Downstream Products

128891-79-2Relevant academic research and scientific papers

The Preparation of Substituted 5H-Pyrazolo -Benzoxazin-5-ones from the Trianions of Certain Hydroxyphenylcarboethoxyhydrazones.

Mazat, Cynthia L.,Beam, Charles F.,Hines, Margaret A.

, p. 253 - 259 (2007/10/02)

The trianions of the carboethoxyhydrazones of o- and p-hydroxyacetophenones and related materials were prepared in an excess of lithium diisopropylamide (LDA), condensed with methyl salicylate or methyl 4-methoxysalicylate, and acid-cyclized to substituted pyrazolobenzoxazinones.

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