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4512-56-5

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4512-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4512-56-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,1 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4512-56:
(6*4)+(5*5)+(4*1)+(3*2)+(2*5)+(1*6)=75
75 % 10 = 5
So 4512-56-5 is a valid CAS Registry Number.

4512-56-5SDS

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 2-(hydroxymethylene)-3-methyl-3,4-dihydrophenanthren-1(2H)-one

1.2 Other means of identification

Product number -
Other names -

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:4512-56-5 SDS

4512-56-5Relevant articles and documents

Antitumor Agents. 89. Psychorubrin, a New Cytotoxic Naphthoquinone from Psychotria rubra and Its Structure-Activity Relationships

Hayashi, Toshimitsu,Smith, Forrest T.,Lee, Kuo-Hsiung

, p. 2005 - 2008 (2007/10/02)

A new naphthoquinone, isolated from the alcoholic extract of Psychotria rubra, exhibited significant cytotoxicity in the KB cell assay (ED50=3.0 μg/ml).Spectral data was used to assign the structure of psychorubrin as 2.Naphthoquinone derivatives 6, 8, 13, and 14 were prepared and exhibited superior cytotoxic activity to that of psychorubrin.All were potential Michael acceptors whose conjugation had been extended.However, when a hydrophilic hydroxy group was present in such compounds, reduced in vitro activity was observed.

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