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Carboxylic acids and anhydrides

2-Hydroxyhexanoic acid

Also known as 2-hydroxycaproic acid, DL-2-Hydroxycaproic acid, DL-2-Hydroxyhexanoic acid

CAS 6064-63-7Formula C6H12O3Molar mass 132.16 g/molEC 227-991-4
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2-Hydroxyhexanoic acid chemical structure, C6H12O3, CAS 6064-63-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6064-63-7
Formula
C6H12O3
Molar mass
132.16 g/mol
EC number
227-991-4
HS code
291819
Category
Carboxylic acids and anhydrides

What is 2-Hydroxyhexanoic acid?

Plain description, key identifiers and synonyms

2-hydroxyhexanoic acid is a hydroxy fatty acid that is caproic (hexanoic) acid substituted by a hydroxy group at position 2. It has a role as an animal metabolite. It is functionally related to a hexanoic acid. It is a conjugate acid of a 2-hydroxyhexanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyhexanoic acid
CAS number
6064-63-7 CAS number cross-checked
EC number
227-991-4
Molecular formula
C6H12O3
UNII
L58MR7E927
MDL number
MFCD00004584
InChIKey
NYHNVHGFPZAZGA-UHFFFAOYSA-N
InChI
InChI=1S/C6H12O3/c1-2-3-4-5(7)6(8)9/h5,7H,2-4H2,1H3,(H,8,9)
SMILES (canonical and isomeric)
CCCCC(C(=O)O)O

Synonyms

  • 2-hydroxycaproic acid
  • DL-2-Hydroxycaproic acid
  • DL-2-Hydroxyhexanoic acid
  • DL-alpha-Hydroxycaproic acid
  • Hexanoic acid, 2-hydroxy-
  • (+-)-2-Hydroxycaproic acid
  • 2-Hydroxycaproic acid, (+-)-
  • (2S)-2-hydroxyhexanoic acid
  • 2-hydroxy-hexanoic acid
  • Hydroxycaproic acid
  • DL-2-hydroxy caproic acid
  • Hydroxyhexanoic acid
  • Hydroxy-n-caproic acid
  • 2-Hydroxyhexanoic acid, 98%
  • dl-2-Hydroxyhexanoic acidHydroxyhexanoate
  • Hexanoic acid, hydroxy-
  • Hydroxyhexanoate
  • 2-Hydroxy caproic acid
  • Hydroxycaproate
  • DL-Hydroxycaproate
  • Hydroxy-n-caproate
  • 2-Hydroxyhexanoicacid
  • DL-2-Hydroxycaproate
  • DL-2-Hydroxyhexanoate
  • DL-Hydroxycaproic acid
Show all 31 synonyms
  • alpha-hydroxy caproic acid
  • 2-hydroxy-L-hexanoic acid
  • (RS)-2-hydroxy-hexanoic acid
  • (+/-)-2-Hydroxycaproic acid
  • 2-Hydroxycaproic acid, (+/-)-
  • dl-2-Hydroxyhexanoic acidHydroxyhexanoic 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
132.16 g/molcalc.
Exact mass
132.0786 Dacalc.
LogP (octanol/water)
0.62calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

2-Hydroxyhexanoic acid suppliers

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Where suppliers are based

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2-Hydroxyhexanoic 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
  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Hydroxyhexanoic 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 2-Hydroxyhexanoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Hydroxyhexanoic acid, based on the data on this page

What is 2-Hydroxyhexanoic acid?

2-hydroxyhexanoic acid is a hydroxy fatty acid that is caproic (hexanoic) acid substituted by a hydroxy group at position 2. It has a role as an animal metabolite. It is functionally related to a hexanoic acid. It is a conjugate acid of a 2-hydroxyhexanoate.

What is the CAS number of 2-Hydroxyhexanoic acid?

The CAS registry number of 2-Hydroxyhexanoic acid is 6064-63-7.

What is the molecular formula and weight of 2-Hydroxyhexanoic acid?

The molecular formula of 2-Hydroxyhexanoic acid is C6H12O3 and its molar mass is 132.16 g/mol.

What is 2-Hydroxyhexanoic acid used for?

Known uses and roles of 2-Hydroxyhexanoic acid include building blocks in research and laboratory, animal metabolite, eukaryotic metabolite and metabolite.

Is 2-Hydroxyhexanoic acid hazardous?

No GHS hazard classification for 2-Hydroxyhexanoic acid is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 2-Hydroxyhexanoic acid?

2-Hydroxyhexanoic 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 2-Hydroxyhexanoic acid?

CompoundList lists 1 supplier of 2-Hydroxyhexanoic acid in Slovakia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Hydroxyhexanoic acid?

Suppliers quote 2-Hydroxyhexanoic 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 2-Hydroxyhexanoic 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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