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3718-80-7

3718-80-7

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3718-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3718-80-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,1 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3718-80:
(6*3)+(5*7)+(4*1)+(3*8)+(2*8)+(1*0)=97
97 % 10 = 7
So 3718-80-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H8O7/c1-3(13)6-10(17)7-4(14)2-5(15)9(16)8(7)12(19)11(6)18/h2,14,17-19H,1H3

3718-80-7SDS

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-acetyl-4,5,7,8-tetrahydroxynaphthalene-1,2-dione

1.2 Other means of identification

Product number -
Other names 2-acetyl-3,5,6,8-tetrahydroxy-[1,4]naphthoquinone

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:3718-80-7 SDS

3718-80-7Downstream Products

3718-80-7Relevant articles and documents

POLYCYCLIC HYDROXYQUINONES - VIII. PREPARATION OF ACETYLHYDROXYNAPHTHAZARINS BY PHOTO-FRIES REARRANGEMENT. A CONVENIENT SYNTHESIS OF SPINOCHROME A

Farina, Francisco,Martinez-Utrilla, Roberto,Paredes, M. Carmen

, p. 1531 - 1538 (2007/10/02)

Several synthetic routes to mono- and dihydronaphthazarins bearing an acetyl side-chain have been explored.Methoxynaphthazarin 1 has always been the starting material.Acylation is brought about via a photo-Fries rearrangement of various adequately substituted acetoxynaphthalenes prepared in several steps from 1.Further steps including oxidative demethylation, hydrolysis and ether cleavage reactions, led to the desired mono- and dihydroxysubstituted acetylnaphthazarins.A new synthesis of Spinochrome A 24, a natural occuring pigment representative of this kind of naphthazarin derivatives, is described.

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