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16523-32-3

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16523-32-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16523-32-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,2 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16523-32:
(7*1)+(6*6)+(5*5)+(4*2)+(3*3)+(2*3)+(1*2)=93
93 % 10 = 3
So 16523-32-3 is a valid CAS Registry Number.

16523-32-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (4-acetyloxy-3,6-dioxocyclohexa-1,4-dien-1-yl) acetate

1.2 Other means of identification

Product number -
Other names 2,5-diacetoxy-[1,4]benzoquinone

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:16523-32-3 SDS

16523-32-3Relevant articles and documents

Preparation and structure-activity relationships of novel asterriquinone derivatives

Kaji, Akira,Kimura, Kengo,Teranishi, Masanori,Kiriyama, Noriki,Nomura, Masaaki,Miyamoto, Ken-Ichi

, p. 1325 - 1329 (2007/10/03)

Asterriquinone (ARQ, la) is an antitumor metabolite of Aspergillus terreus IFO 6123. To gain insight into the structure-activity relationships of ARQ, a series of chemically modified derivatives (1 - 6), the ARQ analogues (b - e) and the 2,5-dihydroxy-p-benzoquinone analogues (f - h), were prepared, and cytotoxic activity against mouse leukemia P388 cells investigated. Results indicated that: 1) at least one hydroxy group or acetoxy group in the p-benzoquinone moiety is important to exhibit cytotoxicity; 2) in the p-benzoquinone moiety, a single methoxy group and/or one acetoxy group substitution showed more potent cytotoxicity than when two hydroxy groups are substituted (1); 3) the indole ring is important for the cytotoxicity of ARQ analogues; 4) the 1,1-dimethyl-2-propenyl group in the indole ring is not important for the cytotoxic activity of ARQ.

New Heterocycles Derived from a Simultaneous Substitution and Reductive Acetylation of 2,5-Dihydroxy-1,4-benzoquinone by N-Containing Heterocycles

Farfan, N.,Ortega, E.,Contreras, R.

, p. 1609 - 1612 (2007/10/02)

Reaction of 2,5-dihydroxy-1,4-benzoquinone with pyridine, 3-picoline and acridine in acetic anhydride lead to the preparation of 3-(4-pyridyl)-1,2,4,5-benzenetetrol tetraacetate, 3--1,2,4,5-benzeneterol tetraacetate and 3-(9-acridyl)-

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