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76480-99-4

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76480-99-4 Usage

Uses

3-(Trifluoromethyl)-1H-pyrazol-5-ol is used in preparation of Acyclic Pyrazole Sulfur Heterocyclic compounds as Uric Acid reabsorption inhibitors.

Check Digit Verification of cas no

The CAS Registry Mumber 76480-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,4,8 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76480-99:
(7*7)+(6*6)+(5*4)+(4*8)+(3*0)+(2*9)+(1*9)=164
164 % 10 = 4
So 76480-99-4 is a valid CAS Registry Number.

76480-99-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-(trifluoromethyl)-1,2-dihydropyrazol-3-one

1.2 Other means of identification

Product number -
Other names 5-(trifluoromethyl)-1H-pyrazol-3-ol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:76480-99-4 SDS

76480-99-4Downstream Products

76480-99-4Relevant articles and documents

Synthesis of 3-hydroxy-5-per(poly)fluoroalkyl pyrazoles

Hu, Qiao-Sheng,Guan, Hui-Ping,Hu, Chang-Ming

, p. 51 - 54 (1995)

Treatment of ethyl α-per(poly)fluoroalkyl acetates 1 or ethyl α-iodo-β-per(poly)fluoroalkyl acrylates 2 with hydrazine gives 3-hydroxy-5-per(poly)fluoroalkyl pyrazoles 3 in excellent yield.The effect of halogens on the per(poly)fluoroalkyl chain and the reaction conditions were studied. - Keywords: Synthesis; Hydroxyper(poly)fluoroalkyl pyroles; NMR spectroscopy; IR spectroscopy; Mass spectrometry

A systematic exploration of nickel-pyrazolinato chemistry with alkali metals: New cages from serendipitous assembly

Aromi, Guillem,Bell, Aidan R.,Helliwell, Madeleine,Raftery, James,Teat, Simon J.,Timco, Grigore A.,Roubeau, Olivier,Winpenny, Richard E. P.

, p. 3024 - 3032 (2007/10/03)

The preparation and properties of fourteen novel paramagnetic [NiIIx] aggregates bridged by pivalate, pyrazolinolate and in most cases hydroxide are reported. A rich structural diversity has been achieved by changing the nature of the alkali of the base used during the synthesis, leading to the nuclearities [NiII4NaI4] (2, 3, 4), [NiII5-NAI4] (5, 6, 7), [NiII5LiI6] (8), [NiII8MI2] (M = K (9, 10), Rb (11, 12), Cs (13, 14) and [NiII8] (15). All compounds have been characterised by single-crystal X-ray diffraction; however, full crystallographic details are given only for the representative molecules [Ni4Na4- (fpo)4(piv)8(Hpiv)8] (2), [Ni5Na4(OH)2- (mpo)4(piv)8(Hpiv)2(MeCN)2] (5), [Ni5Li6(OH)2 (fpo)2(piv)12(Hpiv)4] (8) [Ni8K2(OH)4(ppo) 4(piv)10(Hppo)2- (Hpiv)2(MeCN)2] (9), [Ni8Rb2(OH)4- (ppo)4(piv)10(Hppo) 2(Hpiv)2(MeCN)2] (11), [Ni8Cs2(OH)4(ppo) 4(piv)10(Hppo)2- (Hpiv)2(MeCN)2] (13) and [Ni8(OH)4-(mpo)2(PhCH 2CO2)10(Hmpo)8] (15). Variable-temperature bulk magnetisation measurements have been performed for each type of complex. The [NiII4NaI4] clusters show intramolecular antiferromagnetic coupling and a spin ground state of S = 0. Complexes of the type [NiII5NaI4] also display antiferromagnetic superexchange, leading to an S=1 spin ground state. The molecule with nuclearity [NiII5LiI6], in contrast, exhibits ferromagnetic interactions, resulting in the presence of low energy states with high multiplicity, and a spin ground state S>1. The [NiII5MI2] and [NiII8] clusters have the same topology of spin carriers, which display predominantly antiferromagnetic interactions to yield a diamagnetic ground state. The coupling within these octanuclear NiII clusters is rationalised in terms of the nature of the Ni-O-Ni angles within the core.

Synthesis of Fluorinated Analogues of Geraniol

Poulter, C. Dale,Wiggins, Paul L.,Plummer, Thomas L.

, p. 1532 - 1538 (2007/10/02)

Syntheses of 3-(fluoromethyl)geraniol (4), 3-(difluoromethyl)geraniol (14), and 3-(trifluoromethyl)geraniol (20) are described.The key reaction in the routes to alcohols 4 and 20 which establishes the geranyl Z stereochemistry at the C(2)-C(3) double bond is the cis addition of (4-methylpent-3-en-1-yl)copper reagents to derivatives of ethyl 2-butynoate bearing appropriate functional groups at C(4).Attempts to prepare difluoromethyl alcohol 14 by similar routes were unsuccessful.However, the carbon skeleton of 14 was constructed by a Wittig condensation of 1,1-difluoro-6-methylhept-5-en-2-one (12) with triethyl phosphonoacetate in a reaction that yielded a 72:28 ratio of geranyl/neryl isomers.

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