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176760-98-8

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  • (S)-10-(Cyanomethyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid Manufacturer/High quality/Best price/In stock

    Cas No: 176760-98-8

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176760-98-8 Usage

Chemical Properties

White crystalline powder

Check Digit Verification of cas no

The CAS Registry Mumber 176760-98-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,7,6 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 176760-98:
(8*1)+(7*7)+(6*6)+(5*7)+(4*6)+(3*0)+(2*9)+(1*8)=178
178 % 10 = 8
So 176760-98-8 is a valid CAS Registry Number.
InChI:InChI=1/C15H11FN2O4/c1-7-6-22-14-8(2-3-17)11(16)4-9-12(14)18(7)5-10(13(9)19)15(20)21/h4-5,7H,2,6H2,1H3,(H,20,21)/t7-/m0/s1

176760-98-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 176760-98-8

1.2 Other means of identification

Product number -
Other names alene-5-carboxylic acid

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

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

More Details:176760-98-8 SDS

176760-98-8Downstream Products

176760-98-8Relevant articles and documents

Synthesis and antimycobacterial evaluation of new (2-oxo-2H-chromen-3-yl) substituted fluoroquinolones

Charushin, Valery N.,Mochulskaya, Nataliya N.,Antipin, Fedor V.,Kotovskaya, Svetlana K.,Nosova, Emiliya V.,Ezhikova, Marina A.,Kodess, Mikhail I.,Kravchenko, Marionella A.

, p. 15 - 23 (2018/02/14)

An efficient method for incorporation of the cyanomethyl fragment into the benzene ring of bi- and tricyclic fluoroquinolones through the nucleophilic substitution of a fluorine atom with carbanions derived from CH-active cyanoacetates, followed by an acidic hydrolysis of the reaction intermediates was developed. The reaction of cyanomethyl derivatives of bi- and tricyclic fluoroquinolones with ortho-hydroxy substituted benzaldehydes proved to give the corresponding condensation products, which can be regarded as the key intermediates in the synthesis of previously unknown (2-oxo-2H-chromen-3-yl) substituted bi- and tricyclic fluoroquinolones. It has been shown that an increase in the reaction temperature and exposition time promotes the competitive process, leading to substitution of one more fluorine atom to give 1,4-dihydro[1]-benzoxepino[2,3-g]quinolones. New fluoroquinolones proved to exhibit anti-mycobacterial activity, thus indicating that a search of biologically active compounds in this family of heterocycles appears to be a reasonable approach.

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