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52491-99-3

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52491-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52491-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,9 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 52491-99:
(7*5)+(6*2)+(5*4)+(4*9)+(3*1)+(2*9)+(1*9)=133
133 % 10 = 3
So 52491-99-3 is a valid CAS Registry Number.

52491-99-3SDS

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 4-methylbenzenesulfonic acid,2-(2,2,3-trimethylcyclopent-3-en-1-yl)ethanol

1.2 Other means of identification

Product number -
Other names 3-Cyclopentene-1-ethanol,2,2,3-trimethyl-,4-methylbenzenesulfonate

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:52491-99-3 SDS

52491-99-3Relevant articles and documents

Insect Growth Regulators. XIII - Juvenoids with Cyclopentene Ring. Synthesis of Alkyl ω-(2,2,3-Trimethyl-Cyclopent-3-en-1-yl)-2-alkenoates and ω-(2,2,3-Trimethyl-Cyclopent-3-en-1-yl)alkyl Phenyl Ethers

Derdzinski, K.,Wawrzenczyk, C.,Zabza, A.,et al.

, p. 196 - 212 (2007/10/02)

Neue Analoga der Insektenjuvenilhormone mit dem Cyclopentenring wurden aus dem (2,2,3-Trimethyl-cyclopent-3-en-1-yl)acetonitril (1) durch eine mehrstufige Synthese erhalten.Die Ether 7a-c, 8a, b, 15a-c und 34a, b wurden durch Alkylierung der 4-substituierten Phenolate mit entsprechenden Tosylaten oder Bromiden synthetisiert.Die Ester 11a-c, 12a, b, 21a-c, 23a-c, 28a, b, 29, 27 und 33a, b mit unterschiedlicher Kettenlaenge wurden durch die Wadsworth-Emmons-Reaktion der Ketone 11, 12, 19, 26, 27, 32 bzw. des Aldehydes 16 mit entsprechenden Phosphonsaeurealkylestern erhalten.

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