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Pyridine, 4-[(3,4-dimethoxyphenyl)azo]-
Cas No: 138151-54-9
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Greenutra Resource Inc
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Pyridine, 4-[(3,4-dimethoxyphenyl)azo]-
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Kono Chem Co.,Ltd
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Pyridine, 4-[(3,4-dimethoxyphenyl)azo]- manufacturer
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Shaanxi Mingqi Chemical Co., Ltd
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Pyridine, 4-[(3,4-dimethoxyphenyl)azo]-
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GZ HONESTCHEM CO., LTD
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138151-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138151-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,5 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138151-54:
(8*1)+(7*3)+(6*8)+(5*1)+(4*5)+(3*1)+(2*5)+(1*4)=119
119 % 10 = 9
So 138151-54-9 is a valid CAS Registry Number.

138151-54-9SDS

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	(3,4-dimethoxyphenyl)-pyridin-4-yldiazene

1.2 Other means of identification

Product number	-
Other names	4-[(3,4-dimethoxyphenyl)azo]pyridine

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:138151-54-9 SDS

138151-54-9Upstream product

138151-54-9Downstream Products

138151-55-0 2-Methoxy-4-(pyridin-4-ylazo)-phenol

138151-54-9Relevant articles and documents

4-[(3,4-Dimethoxyphenyl)azo]pyridine: Two different pathways in the acid hydrolysis of the two methoxy groups

Cox, Robin A.,Onyido, Ikenna,Buncel, Erwin

, p. 1358 - 1363 (2007/10/02)

The kinetics of hydrolysis of the two methoxy functions in the title compound 1 have been determined as a function of sulfuric acid concentration. Basicity constants for azo group protonation have been evaluated for 1 and several other (phenylazo)pyridine

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CAS

138151-54-9