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Toddacoumaquinone manufacturer
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Shanghai Yuanye Bio-Technology Co., Ltd.
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ZHEJIANG JIUZHOU CHEM CO.,LTD
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142878-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142878-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,7 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142878-03:
(8*1)+(7*4)+(6*2)+(5*8)+(4*7)+(3*8)+(2*0)+(1*3)=143
143 % 10 = 3
So 142878-03-3 is a valid CAS Registry Number.

142878-03-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	toddacoumaquinone

1.2 Other means of identification

Product number	-
Other names	Toddacoumaquinone

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:142878-03-3 SDS

142878-03-3Upstream product

142878-03-3Downstream Products

142878-03-3Relevant articles and documents

Synthesis of toddacoumaquinone, a coumarin-naphthoquinone dimer, and its antiviral activities

Ishikawa,Kotake,Ishii

, p. 1039 - 1041 (2007/10/02)

Toddacoumaquinone (1), a coumarin-naphthoquinone dimer, was synthesized through Diels-Alder reaction between 8-(1-acetoxy-3-methyl-1,3-butadienyl)-5,7-dimethoxycoumarin (15) and 2-methoxy-1,4-benzoquinone (5). The activities of 1 against several viruses were examined. A weak activity (EC50 = 10 μg/ml) was observed against HSV-1 and HSV-2, but no activity was seen against HIV-1.

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CAS

142878-03-3