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1670-94-6

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1670-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1670-94-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1670-94:
(6*1)+(5*6)+(4*7)+(3*0)+(2*9)+(1*4)=86
86 % 10 = 6
So 1670-94-6 is a valid CAS Registry Number.
InChI:InChI=1/C10H10N2O6/c1-17-10(14)11-6-9(13)18-8-4-2-7(3-5-8)12(15)16/h2-5H,6H2,1H3,(H,11,14)

1670-94-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name (4-nitrophenyl) 2-(methoxycarbonylamino)acetate

1.2 Other means of identification

Product number -
Other names p-Nitrophenylcarbomethoxyglycinate

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:1670-94-6 SDS

1670-94-6Relevant articles and documents

Synthesis of the Imidazoindole-spirolactone Ring System by Oxidative Double Cyclization. A Synthetic Approach to Tryptoquivalines

Nakagawa, Masako,Sodeoka, Mikiko,Yamaguchi, Keiichi,Hino, Tohru

, p. 1373 - 1384 (2007/10/02)

Imidazoindole-spirolactone 13, the principal ring system of tryptoquivalines, was succesfully synthesized by a new method via oxidative double cyclization of 1-(N-alkoxycarbonylalanyl)-3-indolepropionic acids (5) with N-bromosuccinimide, which were synthesized by acylation of benzyl 3-indolepropionate (10) with N-alkoxycarbonyl alanine p-nitrophenyl ester (12).The use of KF, 18-crown-6 and (iso-Pr)2NEt in acetonitrile lead to high yields of benzyl 1-(N-methoxycarbonyl-α-methylalanyl)-3-indolepropionates (4).The removal of the protecting group of 13c provided 2.The mechanisms of these reactions are discussed.Keywords - tryptoquivaline; imidazoindole-spirolactone; 1-(N-alkoxycarbonylalanyl)-3-indolepropionic acid; oxidative double cyclization; N-bromosuccinimide; acylation.

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