Cas 78139-84-1,(Z)-2-(2-Hydroxy-2,5-dimethyl-benzooxazol-3-yl)-but-2-enedioic acid dimethyl ester

78139-84-1

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Basic information

Product Name: (Z)-2-(2-Hydroxy-2,5-dimethyl-benzooxazol-3-yl)-but-2-enedioic acid dimethyl ester
Synonyms:
CAS NO:78139-84-1
Molecular Formula:
Molecular Weight: 307.303
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: (Z)-2-(2-Hydroxy-2,5-dimethyl-benzooxazol-3-yl)-but-2-enedioic acid dimethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (Z)-2-(2-Hydroxy-2,5-dimethyl-benzooxazol-3-yl)-but-2-enedioic acid dimethyl ester(78139-84-1)
EPA Substance Registry System: (Z)-2-(2-Hydroxy-2,5-dimethyl-benzooxazol-3-yl)-but-2-enedioic acid dimethyl ester(78139-84-1)

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: 78139-84-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 78139-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,3 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78139-84:
(7*7)+(6*8)+(5*1)+(4*3)+(3*9)+(2*8)+(1*4)=161
161 % 10 = 1
So 78139-84-1 is a valid CAS Registry Number.

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78139-84-1Relevant academic research and scientific papers

Some Novel Reactions of Benzoxazole Derivatives with Dimethyl Acetylenedicarboxylate II

Kawahara, Norio,Katsuyama, Michiko,Itoh, Tsuneo,Ogura, Haruo

, p. 235 - 238 (2007/10/02)

2-Alkylbenzoxazole derivatives (1) reacted with dimethyl acetylenedicarboxylate (DMAD) in alcoholic solvents at room temperature to afford tricyclic compound (2), hydration product (3), solvent adduct (5) and ring-opened compounds (4 and 6).And the ring-opened compound (6) is a main product of photocycloaddition reaction of 1 with DMAD.

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