Cas 122887-07-4,4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester

122887-07-4

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Basic information

Product Name: 4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester
Synonyms: 4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester
CAS NO:122887-07-4
Molecular Formula:
Molecular Weight: 262.265
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: 4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester(122887-07-4)
EPA Substance Registry System: 4-Phenyl-2,4-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester(122887-07-4)

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: 122887-07-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 122887-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,8,8 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122887-07:
(8*1)+(7*2)+(6*2)+(5*8)+(4*8)+(3*7)+(2*0)+(1*7)=134
134 % 10 = 4
So 122887-07-4 is a valid CAS Registry Number.

122887-07-4Upstream product

3708-38-1 4-phenyl-4,5-dihydro-pyrazole-3,3-dicarboxylic acid dimethyl ester

122887-07-4Downstream Products

1666-13-3 diphenyl diselenide

122887-07-4Relevant academic research and scientific papers

OXIDATIVE RING OPENING OF 2-PYRAZOLINES. APPLICATION TO LACTAMISATION AND FORMYLATION OF 1,3-6H-THIAZINES.

Tuloup, R.,Danion-Bougot, R.,Danion, D.,Pradere, J.P.

, p. 6249 - 6252 (1988)

Benzeneseleninic anhydride allows oxidative ring opening of 2-pyrazolines to α,β-unsaturated carbonyl compounds.Thus, a pyrazoline ring may be used as a masking, a stereodirecting and a latent formyl group in the synthesis of 7-amino 4-formyl cephem from 1,3-6H-thiazine.

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