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185223-40-9

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185223-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185223-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,2,2 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 185223-40:
(8*1)+(7*8)+(6*5)+(5*2)+(4*2)+(3*3)+(2*4)+(1*0)=129
129 % 10 = 9
So 185223-40-9 is a valid CAS Registry Number.

185223-40-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 6H-oxazine-3-carboxylate

1.2 Other means of identification

Product number -
Other names 6H-1,2-OXAZINE-3-CARBOXYLIC ACID,ETHYL ESTER

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:185223-40-9 SDS

185223-40-9Downstream Products

185223-40-9Relevant articles and documents

Indole-3-pyruvic acid oxime ethers and thieno analogues by heck cyclisation. Application to the synthesis of thia-tryptophans

Wensbo, David,Gronowitz, Salo

, p. 14975 - 14988 (1996)

N-allylation of N-BOC substituted o-iodo anilines (14a-e) and thienoamines (16,18,20) employing methyl or benzyl oxime ethers of ethyl (E)-2-oxo-5-bromo-3-pentenoate 2a, followed by palladium-catalysed Heck cyclisation yielded oxime ethers of Bz-substituted ethyl indole-3-pyruvates (15a-f) and thienopyrroles (17,19,21-23). Attempted conversion of 2a into the corresponding tosyl hydrazone or oxime resulted in formation of pyridazine (10) and oxazine (13) derivatives. The three possible isomers of thia-tryptophan were obtained as the ethyl esters from corresponding methyl oxime ethers by reduction of the oxime double bond.

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