Basic information

Product Name: 2-Pentynoic acid, 5-hydroxy-, phenylmethyl ester
Synonyms: benzyl 5-hydroxy-2-pentynoate;2-Pentynoic acid,5-hydroxy-,phenylmethyl ester;
CAS NO:136258-78-1
Molecular Formula: C12H12O3
Molecular Weight: 204.225
EINECS: N/A
Product Categories: N/A
Mol File: 136258-78-1.mol

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 2-Pentynoic acid, 5-hydroxy-, phenylmethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-Pentynoic acid, 5-hydroxy-, phenylmethyl ester(136258-78-1)
EPA Substance Registry System: 2-Pentynoic acid, 5-hydroxy-, phenylmethyl ester(136258-78-1)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 136258-78-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 136258-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,2,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136258-78:
(8*1)+(7*3)+(6*6)+(5*2)+(4*5)+(3*8)+(2*7)+(1*8)=141
141 % 10 = 1
So 136258-78-1 is a valid CAS Registry Number.

136258-78-1SDS

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	benzyl 5-hydroxypent-2-ynoate

1.2 Other means of identification

Product number	-
Other names	2-Pentynoic acid,5-hydroxy-,phenylmethyl 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:136258-78-1 SDS

136258-78-1Upstream product

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136258-78-1Relevant academic research and scientific papers

β-Keto-δ-valerolactone: Synthesis and use as methylvinylketone anion equivalent in michael additions

D'Angelo, Jean,Gomez-Pardo, Domingo

, p. 3063 - 3066 (1991)

β-Keto-δ-valerolactone 11 was prepared from 3-butyn-l-ol 6 in 5 steps (50 % overall yield). This lactone was added to Michael acceptors 13, 17, 19 and 25, giving adducts 14, 18, 20 and 26 respectively.

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