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62558-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62558-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,5,5 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 62558-68:
(7*6)+(6*2)+(5*5)+(4*5)+(3*8)+(2*6)+(1*8)=143
143 % 10 = 3
So 62558-68-3 is a valid CAS Registry Number.

62558-68-3SDS

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	ethyl 2-[(2-hydroxyphenyl)methylidene]-3-oxobutanoate

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:62558-68-3 SDS

62558-68-3Upstream product

62558-68-3Downstream Products

62558-68-3Relevant articles and documents

Facile construction of 4H-chromenes via Michael addition of phenols to benzylidene oxobutanoates and their successful conversion into pyranocoumarins

Priyanka,Sharma, Rajesh K.,Butcher, Ray J.,Katiyar, Diksha

supporting information, p. 2347 - 2351 (2018/05/24)

An efficient and simple approach for the synthesis of functionalized 4H-chromenes has been developed via acid catalyzed Michael addition of phenols to benzylidene oxobutanoates. Preliminary mechanistic studies were conducted, suggesting that intermediate

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CAS

62558-68-3