(R)-(-)-α-Methoxyphenylacetic Acid - ≥98%(GC)(T) , CAS No.3966-32-3

CAS: 3966-32-3 Cat. No.: R160890 Molecular Weight: 166.18 Beilstein Registry Number: 2209200 EC Number: 223-580-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)(T)
Synonyms
(-)-2-METHOXY-2-PHENYLACETIC ACID | (R)-2-Methoxy-2-phenylacetic acid | (r)-2-Methoxy-2-phenyl-acetic acid | EN300-128484 | SCHEMBL104518 | (R)-METHOXYPHENYLACETIC ACID | (R)-methoxy-phenyl-acetic acid | Benzeneacetic acid, .alpha.-methoxy-, (R)- | M0830
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
100mg
R160890-100mg
5
$9.90
250mg
R160890-250mg
5
$10.90
1g
R160890-1g
6
$11.90
5g
R160890-5g
9

$21.90

$32.90
Save $11.00 (33.43%)
10g
R160890-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$26.90

$40.90
Save $14.00 (34.23%)
25g
R160890-25g
5

$53.90

$80.90
Save $27.00 (33.37%)
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Why this grade

≥98%(GC)(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

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

Overview

Asymmetric Synthesis, Carboxylic Acids, Chemical Synthesis, Chiral Building Blocks, Chiral Resolution Reagents, Organic Building Blocks

Specifications

Synonyms
(-)-2-METHOXY-2-PHENYLACETIC ACID | (R)-2-Methoxy-2-phenylacetic acid | (r)-2-Methoxy-2-phenyl-acetic acid | EN300-128484 | SCHEMBL104518 | (R)-METHOXYPHENYLACETIC ACID | (R)-methoxy-phenyl-acetic acid | Benzeneacetic acid, .alpha.-methoxy-, (R)- | M0830
Specifications & Purity
≥98%(GC)(T)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(GC)(T)
Names and Identifiers
Pubchem Sid488192267
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192267
Canonical SmilesCOC(C1=CC=CC=C1)C(=O)O
IUPAC Name(2R)-2-methoxy-2-phenylacetic acid
InChIKeyDIWVBIXQCNRCFE-MRVPVSSYSA-N
INCHI1S/C9H10O3/c1-12-8(9(10)11)7-5-3-2-4-6-7/h2-6,8H,1H3,(H,10,11)/t8-/m1/s1
Isomeric SMILES CO[C@H](C1=CC=CC=C1)C(=O)O
WGK Germany 3
Molecular Weight 166.18
Beilstein 2209200
Reaxy-Rn 2209197
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2209197&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzylethers
Intermediate Tree Nodes Not available
Direct ParentBenzylethers
Alternative Parents Monocarboxylic acids and derivatives  Dialkyl ethers  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzylether - Monocarboxylic acid or derivatives - Ether - Dialkyl ether - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzylethers. These are aromatic ethers with the general formula ROCR' (R = alkyl, aryl; R'=benzene).
External Descriptors Not available
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.

12 results found

Lot NumberCertificate TypeDateItem
H2212231Certificate of AnalysisMay 20, 2026 R160890
K1706065Certificate of AnalysisJun 12, 2025 R160890
H1929197Certificate of AnalysisJun 08, 2023 R160890
D23261156Certificate of AnalysisOct 18, 2022 R160890
L2209753Certificate of AnalysisOct 18, 2022 R160890
L2209764Certificate of AnalysisOct 18, 2022 R160890
L2209765Certificate of AnalysisOct 18, 2022 R160890
L2209766Certificate of AnalysisOct 18, 2022 R160890
L2209788Certificate of AnalysisOct 18, 2022 R160890
L2209858Certificate of AnalysisOct 18, 2022 R160890
L2209859Certificate of AnalysisOct 18, 2022 R160890
L2209860Certificate of AnalysisOct 18, 2022 R160890

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Chemical and Physical Properties
SolubilitySoluble in Methanol
Specific Rotation[α]-145°~ -151°(C=0.5,ETOH)
Boil Point(°C)130°C
Melt Point(°C)65°C-70°C
Molecular Weight166.170 g/mol
XLogP31.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass166.063 Da
Monoisotopic Mass166.063 Da
Topological Polar Surface Area46.500 Ų
Heavy Atom Count12
Formal Charge0
Complexity150.000
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
Reviews

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