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81625-29-8

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81625-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81625-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,2 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81625-29:
(7*8)+(6*1)+(5*6)+(4*2)+(3*5)+(2*2)+(1*9)=128
128 % 10 = 8
So 81625-29-8 is a valid CAS Registry Number.

81625-29-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name N,N-dimethyl-2-(ethoxycarbonyl)-3-methoxybenzylamine

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:81625-29-8 SDS

81625-29-8Relevant articles and documents

Synthesis of 1,2,3,4-Tetrahydroisoquinolines

Kashdan, David S.,Schwartz, John A.,Rapoport, Henry

, p. 2638 - 2643 (1982)

Several aspects of 1,2,3,4-tetrahydroisoquinoline synthesis have been examined.An improved synthesis of 2-(m-methoxyphenyl)ethylamine (4) is reported. m-Anisaldehyde (5) was treated with potassium cyanide and ethyl chloroformate to yield O-(ethoxycarbonyl)-3-methoxymandelonitrile (7).Hydrogenation afforded 2-(m-methoxyphenyl)ethylamine (4) in 87percent yield overall.Some observations have been made regarding the reduction of 3,4-dihydroisoquinolines derived from the Bischler-Napieralski reaction.Amides 3a and 3c were cyclized with phosphorus oxychloride, followed by reduction to the corresponding tetrahydroisoquinolines 1a and 1c.It was shown that 1a and 1c were contaminated with 4percent of 2a and 3percent of 2c, respectively.Both 2a and 2c were independently synthesized by routes with general applicability to 8-alkoxy-1,2,3,4-tetrahydroisoquinolines.

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