Cas 25957-11-3,5-hydroxymethyl-8-methyl-3-(4-nitro-phenyl)-pyrano[2,3-<i>c</i>]pyridin-2-one

25957-11-3

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Basic information

Product Name: 5-hydroxymethyl-8-methyl-3-(4-nitro-phenyl)-pyrano[2,3-c]pyridin-2-one
Synonyms:
CAS NO:25957-11-3
Molecular Formula:
Molecular Weight: 312.282
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-hydroxymethyl-8-methyl-3-(4-nitro-phenyl)-pyrano[2,3-c]pyridin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 5-hydroxymethyl-8-methyl-3-(4-nitro-phenyl)-pyrano[2,3-c]pyridin-2-one(25957-11-3)
EPA Substance Registry System: 5-hydroxymethyl-8-methyl-3-(4-nitro-phenyl)-pyrano[2,3-c]pyridin-2-one(25957-11-3)

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: 25957-11-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 25957-11-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,5 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25957-11:
(7*2)+(6*5)+(5*9)+(4*5)+(3*7)+(2*1)+(1*1)=133
133 % 10 = 3
So 25957-11-3 is a valid CAS Registry Number.

25957-11-3Upstream product

555-21-5 4-Nitrophenylacetonitrile

25957-11-3Downstream Products

25957-11-3Relevant academic research and scientific papers

Efficient one-pot synthesis of 7-azacoumarins by knoevenagel reaction using water as reaction medium

Brufola, Gianluca,Fringuelli, Francesco,Piermatti, Oriana,Pizzo, Ferdinando

, p. 1715 - 1721 (1997)

3-Substituted 5-hydroxymethyl-8-methyl-7-azacoumarins were prepared by a Knoevenagel reaction of pyridoxal hydrochloride with acetonitriles in a one-pot procedure in a water-only medium. The reactions occurred in heterogeneous phase with much better yields than those obtained in a homogeneous alcoholic medium.

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