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Amino acids and derivatives

(±)-Aspartic acid

Also known as (+-)-Aspartic acid, DL-Aspartic acid, 2-aminobutanedioic acid

CAS 617-45-8Formula C4H7NO4Molar mass 133.10 g/molEC 210-513-3
113 suppliers listed
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(±)-Aspartic acid chemical structure, C4H7NO4, CAS 617-45-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
617-45-8
Formula
C4H7NO4
Molar mass
133.10 g/mol
EC number
210-513-3
HS code
292249
Category
Amino acids and derivatives

What is (±)-Aspartic acid?

Plain description, key identifiers and synonyms

Aspartic acid is an alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. It has a role as a fundamental metabolite. It is a polar amino acid, an alpha-amino acid and a C4-dicarboxylic acid. It contains a carboxymethyl group. It is a conjugate acid of an aspartate and an aspartate(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-aminobutanedioic acid
CAS number
617-45-8 CAS number cross-checkedOther or deprecated CAS: 1783-96-6, 56-84-8
EC number
210-513-3
Molecular formula
C4H7NO4
UNII
28XF4669EP
MDL number
MFCD00063083
InChIKey
CKLJMWTZIZZHCS-UHFFFAOYSA-N
InChI
InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)
SMILES (canonical and isomeric)
C(C(C(=O)O)N)C(=O)O

Synonyms

  • (+-)-Aspartic acid
  • DL-Aspartic acid
  • 2-aminobutanedioic acid
  • DL-Aminosuccinic acid
  • DL-Asparagic acid
  • Aspartic acid, DL-
  • DL-Asp-OH
  • Acid D,L-aspart
  • H-DL-Asp-OH
  • (+/-)-2-Aminosuccinic acid
  • (+/-)-Aspartic Acid
  • DL-Aspartic acid (3-13c)
  • L-Aspartic-4-13c acid
  • D-Asparagic acid
  • Butanedioic acid, (S)-
  • alpha-Aminosuccinic acid
  • DL-Asparticacid
  • (s)-butanedioicaci
  • d,l-aspartic acid
  • (R)-(-)-Aminosuccinic acid
  • asparaginsaure
  • DL aspartic acid
  • DL-Asparaginic Acid
  • (1)-Aspartic acid
  • (RS)-Aspartic acid
Show all 36 synonyms
  • 2-amino-butanedioic acid
  • Aspartic acid (dl)
  • (R,S)-2-Amino-succinicacid
  • Aspartic acid, DL- (8CI)
  • DL-Aspartic acid, 98.0%
  • Aspartic acid, u.s.p.
  • DL-Aspartic acid, aspartic acid
  • L-(-)-Aspartic acid)
  • Mimetic of Aspartate2 (MASP2)
  • L-(-)-Asparaginic acid)
  • L-Aspartic acid, non animal origin

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
133.10 g/molcalc.
Exact mass
133.0375 Dacalc.
LogP (octanol/water)
-1.13calc.
Topological polar surface area
100.6 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
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.

(±)-Aspartic acid suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 113 suppliers
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Where suppliers are based

113 suppliers in 20 countries

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(±)-Aspartic 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

  • fundamental metabolite
  • metabolite

Functional uses

  • Anti-static agent
  • Antioxidant
  • Deodorizer
  • Fragrance
  • Softener and conditioner
  • Stabilizing agent

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 (±)-Aspartic acid is traded under.

HS 2922.49Indicative HS code

Amino-acids, other than those containing more than one kind of oxygen function, and…

World exports in 2024
$3.88B
−11.5% vs 2023, imports $3.87B
2019 to 2024
Top exporters
  1. China38.7%
  2. India * partner reported8.3%
  3. Germany8.1%
Top importers
  1. United States13.4%
  2. Germany11.1%
  3. Japan6.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is (±)-Aspartic acid?

Aspartic acid is an alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. It has a role as a fundamental metabolite. It is a polar amino acid, an alpha-amino acid and a C4-dicarboxylic acid. It contains a carboxymethyl group.

What is the CAS number of (±)-Aspartic acid?

The CAS registry number of (±)-Aspartic acid is 617-45-8. Other or deprecated CAS numbers: 1783-96-6, 56-84-8.

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

The molecular formula of (±)-Aspartic acid is C4H7NO4 and its molar mass is 133.10 g/mol.

What is (±)-Aspartic acid used for?

Known uses and roles of (±)-Aspartic acid include fundamental metabolite, metabolite, anti-static agent, antioxidant, deodorizer and 3 more.

Is (±)-Aspartic acid hazardous?

No GHS hazard classification for (±)-Aspartic 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 (±)-Aspartic acid?

(±)-Aspartic acid is usually classified under HS code 292249 (Amino-acids, other than those containing more than one kind of oxygen function, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (±)-Aspartic acid?

CompoundList lists 113 suppliers of (±)-Aspartic acid in China, United States, United Kingdom, India and 16 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy (±)-Aspartic acid in India?

6 suppliers in India list (±)-Aspartic 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 (±)-Aspartic acid?

Suppliers quote (±)-Aspartic 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 (±)-Aspartic 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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