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161156-00-9

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161156-00-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161156-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,5 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161156-00:
(8*1)+(7*6)+(6*1)+(5*1)+(4*5)+(3*6)+(2*0)+(1*0)=99
99 % 10 = 9
So 161156-00-9 is a valid CAS Registry Number.

161156-00-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name methyl 4,6,7-trimethoxy-1H-indole-2-carboxylate

1.2 Other means of identification

Product number -
Other names 1H-Indole-2-carboxylicacid,4,6,7-trimethoxy-,methyl 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:161156-00-9 SDS

161156-00-9Upstream product

161156-00-9Relevant articles and documents

Preparation method of methoxy-substituted methyl-1H-indole-2-carboxylate

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Paragraph 0075-0080, (2020/06/02)

The invention relates to the technical field of organic synthesis, and provides a preparation method of methoxy-substituted methyl-1H-indole-2-carboxylate. The preparation method comprises the following steps: mixing methoxy-substituted methyl(Z)-2-azido-3-phenyl acrylate, a ruthenium catalyst and tetrahydrofuran, and carrying out a cyclization reaction to obtain the methoxy-substituted methyl-1H-indole-2-carboxylate. According to the preparation method provided by the invention, the ruthenium catalyst is adopted for catalysis, and the methoxy-substituted methyl-1H-indole-2-carboxylate can beprepared without using high-toxicity toluene and high-toxicity xylene as solvents. The preparation method provided by the invention is relatively low in toxicity and relatively high in safety coefficient; and the yield of a product, namely the methoxy-substituted methyl-1H-indole-2-carboxylate purified by the method provided by the invention is relatively high and is 93% or above.

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