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2179-22-8

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2179-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2179-22-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,7 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2179-22:
(6*2)+(5*1)+(4*7)+(3*9)+(2*2)+(1*2)=78
78 % 10 = 8
So 2179-22-8 is a valid CAS Registry Number.

2179-22-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,5-dihydroxy-3-methoxybenzaldehyde

1.2 Other means of identification

Product number -
Other names Benzaldehyde,2,5-dihydroxy-3-methoxy

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:2179-22-8 SDS

2179-22-8Relevant articles and documents

Quinone approaches toward the synthesis of aflatoxin B2

Noland, Wayland E.,Kedrowski, Brant L.

, p. 2109 - 2111 (2007/10/03)

equation presented Quinones bearing electron-withdrawing groups can serve as useful precursors to furobenzofuran ring systems through their reaction with 2,3-dihydrofuran. Formal racemic and stereoselective syntheses of the fungal metabolite aflatoxin Bs

Studies on Quinones. VII(1). Synthesis of Some Benzothiophene-4,7-diones

Ruiz, V. M.,Tapia, R.,Valderrama, J.,Vega, J. C.

, p. 1161 - 1164 (2007/10/02)

The synthesis of methyl 4,7-dihydro-4,7-dioxobenzothiophene-2-carboxylate (20) based on the reaction of methyl mercaptoacetate with activated 1,4-benzoquinones is described.Methyl 4,7-dihydro-4,7-dioxo-5-hydroxybenzothiophene-2-carboxylate (24) and its corresponding methyl ether 26 were obtained through a Thiele-Winter acetoxylation on 20.On the basis of the properties of methyl 4,7-dihydro-4,7-dioxo-6-methoxybenzothiophene-2-carboxylate (21) obtained from 2,4,5-trimethoxybenzaldehyde (32), the structures of the products 24 and 26 are proposed.

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