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604798-53-0

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604798-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 604798-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,4,7,9 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 604798-53:
(8*6)+(7*0)+(6*4)+(5*7)+(4*9)+(3*8)+(2*5)+(1*3)=180
180 % 10 = 0
So 604798-53-0 is a valid CAS Registry Number.

604798-53-0Relevant articles and documents

METHOD FOR PRODUCING 3-SUBSTITUTED-4-FLUOROPYRROLIDINE DERIVATIVE

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Paragraph 0184; 0186; 0189; 0190, (2013/04/13)

An inexpensive and industrially advantageous method for producing optically active syn-3-(N-substituted-aminomethyl)-4-fluoropyrrolidine which may be an intermediate for producing pharmaceuticals is provided. The present invention relates a method for pro

PROCESS FOR PRODUCTION OF 3,4-DISUBSTITUTED PYRROLIDINE DERIVATIVE AND INTERMEDIATE FOR THE PRODUCTION

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Page/Page column 17-18, (2008/12/09)

An industrially advantageous process for the production of (3R,4S)-3-cyclopropylaminomethyl-4-fluoropyrrolidine or an enantiomer thereof that is useful as an intermediate for the production of novel antimicrobial agents 10-(3-cyclopropylaminomethyl-4-fluoropyrrolidinyl)pyridobenzox azine carboxylic acid derivatives. Highly stereoselective asymmetric hydrogenation of 1-protected-4-alkoxycarbonyl-3-oxopyrrolidine, followed by ester hydrolysis, followed by amidation with cyclopropylamine gives crude crystals. The crude crystals are purified by recrystallization to give a novel compound (3R,4S)-1-protected-3-cyclopropylcarbamoyl-4-hydroxypyrrolidin e or an enantiomer thereof at high optical purity. The use of these intermediates enables industrial production of high-quality products of (3R,4S)-3-cyclopropylaminomethyl-4-fluoropyrrolidine or an enantiomer thereof. The process is highly simple and can produce the desired products at high purity and stable yields.

10-(3-CYCLOPROPYLAMINOMETHYL-1-PYRROLIDINYL)PYRIDOBENZOXAZINECARBOXYLIC ACID DERIVATIVE EFFECTIVE AGAINST RESISTANT BACTERIUM

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Page 15, (2008/06/13)

A compound as represented by the general formula (I) shown below exhibits high antibacterial activity against gram-positive bacteria, in particular, such drug-resistant bacteria as MRNA, PRSP and VRE: wherein R1 is a methyl group, a fluoromethyl group, a methoxymethyl group, an acetoxymethyl group, a hydroxymethyl group or a methylene; R2 is a hydrogen atom, a lower alkyl group having 1 to 3 carbon atoms, or a pharmaceutically acceptable cation and an ester of a prodrug; R3 is a hydrogen atom or a halogen atom; R4 is a hydrogen atom, a lower alkyl group having 1 to 3 carbon atoms, a fluoromethyl group, a trifluoromethyl group or a fluorine atom; and R5 is a hydrogen atom or a fluorine atom, with exceptions where R1 is a methyl group, R4 and R5 are at the same time a hydrogen atom, and R3 is a fluorine atom.

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