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99304-31-1

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99304-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99304-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,0 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99304-31:
(7*9)+(6*9)+(5*3)+(4*0)+(3*4)+(2*3)+(1*1)=151
151 % 10 = 1
So 99304-31-1 is a valid CAS Registry Number.
InChI:InChI=1/C14H11BrN2O2/c15-9-4-5-12-11(7-9)14(19,13(18)17-12)8-10-3-1-2-6-16-10/h1-7,19H,8H2,(H,17,18)

99304-31-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-bromo-3-hydroxy-3-(pyridin-2-ylmethyl)-1H-indol-2-one

1.2 Other means of identification

Product number -
Other names -

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:99304-31-1 SDS

99304-31-1Relevant articles and documents

Polyethylene glycol (PEG-400): A mild and efficient reaction medium for one-pot synthesis of 3-hydroxy-3-(pyridin-2-ylmethyl)indolin-2-ones

Raghu,Rajasekhar,Chandra Obula Reddy,Suresh Reddy,Subba Reddy

, p. 3503 - 3506 (2013/07/05)

3-(Pyridylmethyl)-3-hydroxy-2-oxindole derivatives were synthesized in high yields under mild, and catalyst-free conditions using polyethylene glycol (PEG-400) as a solvent. The use of low cost PEG-400 makes it simple, convenient, and environmentally beni

Microwave assisted catalyst-free synthesis of azaarene-substituted 3-hydroxy-2-oxindoles by the functionalization of sp3 C-H bond in methyl pyridine

Meshram,Nageswara Rao,Chandrasekhara Rao,Satish Kumar

experimental part, p. 3963 - 3966 (2012/08/14)

A highly efficient synthesis of azaarene-substituted 3-hydroxy-2-oxindoles in catalyst-free conditions is described by the reaction of 2-methyl pyridines with isatins under microwave irradiation in aqueous medium. Simple reaction conditions, high yields o

Chemistry of indoles carrying a basic function, Part 3. Synthesis of spiro[cyclopropane-1,3'[3H]indol]-2'(1'H)-ones with antihypoxic effects

Moldvai,Gacs-Baitz,Balazs,Incze,Szantay

, p. 541 - 549 (2007/10/03)

Hydroxyindolones (1-6, 15-16) were transformed into isatinylidenes (7,9-13, 17-19) by dehydration with 4-toluenesulfonic acid. The dimer-type compounds (14, 20) were also isolated in a few cases. The obtained isatinylidenes were transformed into 3-spiro-cyclopropane-oxindoles (21-32) with dimethyloxosulfonium methylide. Compound 22 shows protective effects against hypobaric hypoxia and triethyltin induced brain edema.

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