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13378-91-1

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13378-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13378-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,7 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13378-91:
(7*1)+(6*3)+(5*3)+(4*7)+(3*8)+(2*9)+(1*1)=111
111 % 10 = 1
So 13378-91-1 is a valid CAS Registry Number.
InChI:InChI=1/C12H10O6/c1-2-4-9(15)7-5(13)3-6(14)11(17)8(7)12(18)10(4)16/h3,13-14,16-17H,2H2,1H3

13378-91-1SDS

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 6-ethyl-4,5,7,8-tetrahydroxynaphthalene-1,2-dione

1.2 Other means of identification

Product number -
Other names 1,4-Naphthalenedione,2-ethyl-3,5,6,8-tetrahydroxy

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:13378-91-1 SDS

13378-91-1Downstream Products

13378-91-1Relevant articles and documents

An expedient and efficient synthetic route to some naturally occurring polyfunctional naphthazarins

Chai, Christina L.L.,Elix, John A.,Moore, Felicity K.E.

, p. 8915 - 8917 (2001)

A concise and versatile route to functionalised naphthazarins via 1,3,4,5,6,8-hexamethoxynaphthalene is described and is illustrated with the synthesis of three natural products, aureoquinone, boryquinone and 3-ethyl-2,7-dihydroxynaphthazarin.

Chemistry of naphthazarin derivatives 7. Determination of structures of substituted 2,6(7)-dihydroxynaphthazarins by UV and IR spectroscopy

Glazunov,Tchizhova,Shuvalova,Anufriev

, p. 88 - 94 (2001)

A set of substituted 2,6- and 2,7-dihydroxynaphthazarins were synthesized. The difference in the UV spectra of alkaline alcoholic solutions of 2,6- and 2,7-dihydroxynaphthazarins allows the reliable differentiation of the structures of these compounds. Th

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