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Impurities and reference standards

(-)-Mandelic acid

Also known as (r)-mandelic acid, (R)-2-Hydroxy-2-phenylacetic acid, D-Mandelic acid

CAS 611-71-2Formula C8H8O3Molar mass 152.15 g/molEC 210-276-6
GHS signal word: Danger. Pictograms: Corrosive 31 suppliers listed
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(-)-Mandelic acid chemical structure, C8H8O3, CAS 611-71-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
611-71-2
Formula
C8H8O3
Molar mass
152.15 g/mol
EC number
210-276-6
HS code
291819
Category
Impurities and reference standards

What is (-)-Mandelic acid?

Plain description, key identifiers and synonyms

(R)-mandelic acid is the (R)-enantiomer of mandelic acid. It has a role as a human xenobiotic metabolite. It is a conjugate acid of a (R)-mandelate. It is an enantiomer of a (S)-mandelic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R)-2-hydroxy-2-phenylacetic acid
CAS number
611-71-2 CAS number cross-checked
EC number
210-276-6
Molecular formula
C8H8O3
UNII
PPL7YW1M9W
MDL number
MFCD00064251
InChIKey
IWYDHOAUDWTVEP-SSDOTTSWSA-N
InChI
InChI=1S/C8H8O3/c9-7(8(10)11)6-4-2-1-3-5-6/h1-5,7,9H,(H,10,11)/t7-/m1/s1
Canonical SMILES
O=C(O)C(O)c1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)[C@H](C(=O)O)O

Synonyms

  • (r)-mandelic acid
  • (R)-2-Hydroxy-2-phenylacetic acid
  • D-Mandelic acid
  • D(-)-Mandelic acid
  • Mandelic acid, (R)-
  • D-2-Phenylglycolic acid
  • (-)-(R)-Mandelic acid
  • (R)-alpha-Hydroxyphenylacetic acid
  • (-)-alpha-Hydroxyphenylacetic acid
  • (R)-alpha-Hydroxybenzeneacetic acid
  • Mandelic acid, D-
  • (R)-(-)-Mandelic acid
  • D-(-)-Mandelic acid
  • (2R)-2-hydroxy-2-phenylacetic acid
  • (R)-Hydroxy(phenyl)acetic acid
  • R-(-)-Mandelic acid
  • Sertraline EP Impurity E
  • mandelic_acid
  • 1mcz
  • (R)-Mandelsaeure
  • (R)-A-Hydroxyphenylacetic acid
  • (2R)-hydroxy(phenyl)acetic acid
  • (-)-(R)-Mandelate
  • (2R)-2-hydroxy-2-phenyl-acetic acid
  • (2R)-hydroxy(phenyl)ethanoic acid
Show all 38 synonyms
  • (-)-(R) alpha-hydroxybenzeneacetic acid
  • R(-)-Mandelic Acid
  • D-(-)-Mandelic acid, puriss., >=99.0% (T)
  • mandelic-acid
  • RMN
  • (R)-(-)-Amygdalic Acid
  • (-)-d-Mandelic acid
  • (2R)-Hydroxyphenylacetic Acid ((R)-Mandelic Acid)
  • Benzeneacetic acid, alpha-hydroxy-, (alphaR)-
  • (L)-(+)-Mandelic acid
  • (R)-2-Phenylglycolic acid
  • 1mdl
  • L-2-Hydroxy-2-phenylacetic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
152.15 g/molcalc.
Exact mass
152.0473 Dacalc.
LogP (octanol/water)
0.8calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

(-)-Mandelic acid suppliers

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All 31 suppliers
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Where suppliers are based

31 suppliers in 11 countries

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(-)-Mandelic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • human xenobiotic metabolite
  • mammalian metabolite
  • metabolite
  • xenobiotic metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (-)-Mandelic acid is traded under.

HS 2918.19Indicative HS code

Carboxylic acids with alcohol function but without other oxygen function, their…

World exports in 2024
$1.37B
+0.5% vs 2023, imports $1.18B
2019 to 2024
Top exporters
  1. China23.7%
  2. Italy14.7%
  3. India * partner reported12.0%
Top importers
  1. Germany11.7%
  2. South Korea9.8%
  3. Italy9.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for (-)-Mandelic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (-)-Mandelic acid, based on the data on this page

What is (-)-Mandelic acid?

(R)-mandelic acid is the (R)-enantiomer of mandelic acid. It has a role as a human xenobiotic metabolite. It is a conjugate acid of a (R)-mandelate. It is an enantiomer of a (S)-mandelic acid.

What is the CAS number of (-)-Mandelic acid?

The CAS registry number of (-)-Mandelic acid is 611-71-2.

What is the molecular formula and weight of (-)-Mandelic acid?

The molecular formula of (-)-Mandelic acid is C8H8O3 and its molar mass is 152.15 g/mol.

What is (-)-Mandelic acid used for?

Known uses and roles of (-)-Mandelic acid include animal metabolite, eukaryotic metabolite, human metabolite, human xenobiotic metabolite, mammalian metabolite and 2 more.

Is (-)-Mandelic acid hazardous?

(-)-Mandelic acid carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (-)-Mandelic acid?

(-)-Mandelic acid is usually classified under HS code 291819 (Carboxylic acids with alcohol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (-)-Mandelic acid?

CompoundList lists 31 suppliers of (-)-Mandelic acid in China, India, United States, Canada and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy (-)-Mandelic acid in India?

2 suppliers in India list (-)-Mandelic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of (-)-Mandelic acid?

Suppliers quote (-)-Mandelic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle (-)-Mandelic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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