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Check Digit Verification of cas no

The CAS Registry Mumber 646064-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,0,6 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 646064-64:
(8*6)+(7*4)+(6*6)+(5*0)+(4*6)+(3*4)+(2*6)+(1*4)=164
164 % 10 = 4
So 646064-64-4 is a valid CAS Registry Number.

646064-64-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	3-benzyloxycarbonyl-3-methylchroman-4-one

1.2 Other means of identification

Product number	-
Other names	3-Methyl-4-oxo-chroman-3-carboxylic acid benzyl ester

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:646064-64-4 SDS

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646064-64-4Relevant articles and documents

Access to racemic and enantioenriched 3-methyl-4-chromanones: Catalysed asymmetric protonation of corresponding enolic species as the key step

Roy, Olivier,Loiseau, Fran?ois,Riahi, Abdelkhalek,Hénin, Fran?oise,Muzart, Jacques

, p. 9641 - 9648 (2007/10/03)

Br?nsted acids induced the intramolecular cyclisation of 3-aryloxypropanoic esters affording 3-methyl-4-chromanones, which have been transformed into the corresponding racemic benzyl β-oxoesters. These latter esters, in the presence of hydrogen and cataly

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646064-64-4