(-)-Ethyl L-lactate - ≥99% , CAS No.687-47-8

CAS: 687-47-8 Cat. No.: E104554 Molecular Weight: 118.13 Beilstein Registry Number: 1720839 EC Number: 211-694-1
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
(L)-ethyl lactate | (S)-ethyl 2-hydroxypropanoate | ETHYL LACTATE, S- | NCGC00357157-01 | ETHYL LACTATE NATURAL | Propanoic acid, 2-hydroxy-, ethyl ester, (2S)- | (-)-ETHYL 2-HYDROXYPROPIONATE | DTXCID7022336 | L-(+)-lactic acid ethyl ester | ethyl (2S)-2
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
E104554-25g
3

$9.90

$14.90
Save $5.00 (33.56%)
100g
E104554-100g
9

$15.90

$23.90
Save $8.00 (33.47%)
500g
E104554-500g
3

$59.90

$89.90
Save $30.00 (33.37%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Starting material for the synthesis of chiral building blocks, e.g. (S)-1,2-propanediol and (S)-propylene oxide. O-Protection and reduction to the aldehyde.

(-)-Ethyl L-lactate can be used in the preparation of:

· (R)-(+)-2-methyloxirane.

· (S)-2-((tert-Butyldimethylsilyl)oxy)propanal, a key intermediate for the synthesis of maltepolides.

Specifications

Synonyms
(L)-ethyl lactate | (S)-ethyl 2-hydroxypropanoate | ETHYL LACTATE, S- | NCGC00357157-01 | ETHYL LACTATE NATURAL | Propanoic acid, 2-hydroxy-, ethyl ester, (2S)- | (-)-ETHYL 2-HYDROXYPROPIONATE | DTXCID7022336 | L-(+)-lactic acid ethyl ester | ethyl (2S)-2
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid504756143
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756143
Canonical SmilesCCOC(=O)C(C)O
IUPAC Nameethyl (2S)-2-hydroxypropanoate
InChIKeyLZCLXQDLBQLTDK-BYPYZUCNSA-N
INCHI1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3/t4-/m0/s1
Isomeric SMILES CCOC(=O)[C@H](C)O
WGK Germany 1
UN Number 1192
Molecular Weight 118.13
Beilstein 1720839
Reaxy-Rn 1209448
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1209448&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acid esters
Alternative Parents Secondary alcohols  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Secondary alcohol - Carboxylic acid ester - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acid esters. These are carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group).
External Descriptors ethyl 2-hydroxypropanoate
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

19 results found

Lot NumberCertificate TypeDateItem
L2103552Certificate of AnalysisSep 09, 2025 E104554
L2103551Certificate of AnalysisSep 09, 2025 E104554
A2612157Certificate of AnalysisJun 12, 2025 E104554
I2524006Certificate of AnalysisJun 12, 2025 E104554
G2504203Certificate of AnalysisJun 12, 2025 E104554
G2504193Certificate of AnalysisJun 12, 2025 E104554
H2126090Certificate of AnalysisJun 09, 2025 E104554
D2122235Certificate of AnalysisFeb 07, 2025 E104554
D2122236Certificate of AnalysisFeb 07, 2025 E104554
C2512434Certificate of AnalysisJul 12, 2024 E104554
C2512432Certificate of AnalysisJul 12, 2024 E104554
C2512433Certificate of AnalysisJul 12, 2024 E104554
C2512443Certificate of AnalysisJul 12, 2024 E104554
C2512442Certificate of AnalysisJul 12, 2024 E104554
K2327207Certificate of AnalysisNov 10, 2023 E104554
D2312452Certificate of AnalysisDec 16, 2022 E104554
D2312451Certificate of AnalysisDec 16, 2022 E104554
D2312450Certificate of AnalysisDec 16, 2022 E104554
L1416041Certificate of AnalysisSep 15, 2022 E104554

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Chemical and Physical Properties
SolubilitySolubility in water: soluble; Solubility in other solvents: miscible with alcohols, ketones and esters
Refractive Index1.413
Specific Rotation[α]-10.8 ° (neat)
Flash Point(°F)46℃
Flash Point(°C)46℃
Boil Point(°C)154°C
Melt Point(°C)-26°C
Molecular Weight118.130 g/mol
XLogP30.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass118.063 Da
Monoisotopic Mass118.063 Da
Topological Polar Surface Area46.500 Ų
Heavy Atom Count8
Formal Charge0
Complexity79.700
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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