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658707-42-7

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658707-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 658707-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,7,0 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 658707-42:
(8*6)+(7*5)+(6*8)+(5*7)+(4*0)+(3*7)+(2*4)+(1*2)=197
197 % 10 = 7
So 658707-42-7 is a valid CAS Registry Number.

658707-42-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-diphenylphosphanyl-4-methoxyphenol

1.2 Other means of identification

Product number -
Other names 2-diphenylphosphino-4-methoxyphenol

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:658707-42-7 SDS

658707-42-7Relevant articles and documents

Ph3P-mediated highly selective C(α)-P coupling of quinone monoacetals with R2P(O)H: Convenient and practical synthesis of: Ortho -phosphinyl phenols

Shen, Ruwei,Zhang, Ming,Xiao, Jing,Dong, Chao,Han, Li-Biao

supporting information, p. 5111 - 5116 (2018/11/24)

A highly selective Ph3P-mediated C(α)-P coupling reaction of quinone monoacetals with secondary phosphine oxides is developed to provide an effective method for the synthesis of a wide array of ortho-phosphinylphenols in good to excellent yields. This protocol can be adopted for scale-up synthesis directly from cheap and abundant phenols, and the products can be easily obtained in high yields by simple filtration without the use of organic extraction or chromatography.

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