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Peptides

Amastatin

Also known as 3-amino-2-hydroxy-5-methylhexanoyl-L-valyl-L-valyl-L-aspartic acid, N-[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]-L-valyl-L-valyl-L-aspartic acid, (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid

CAS 67655-94-1Formula C21H38N4O8Molar mass 474.56 g/molEC 614-098-3
1 supplier listed
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Amastatin chemical structure, C21H38N4O8, CAS 67655-94-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67655-94-1
Formula
C21H38N4O8
Molar mass
474.56 g/mol
EC number
614-098-3
HS code
292419
Category
Peptides

What is Amastatin?

Plain description, key identifiers and synonyms

Amastatin is a tetrapeptide comprising (2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl, L-valyl, L-valyl and L-aspartic acid units joined in sequence. It has a role as a protease inhibitor and an EC 3.4.11.* (aminopeptidase) inhibitor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid
CAS number
67655-94-1 CAS number cross-checked
EC number
614-098-3
Molecular formula
C21H38N4O8
UNII
A4GW7NV79V
MDL number
MFCD00038400
InChIKey
QFAADIRHLBXJJS-ZAZJUGBXSA-N
InChI
InChI=1S/C21H38N4O8/c1-9(2)7-12(22)17(28)20(31)25-16(11(5)6)19(30)24-15(10(3)4)18(29)23-13(21(32)33)8-14(26)27/h9-13,15-17,28H,7-8,22H2,1-6H3,(H,23,29)(H,24,30)(H,25,31)(H,26,27)(H,32,33)/t12-,13+,15+,16+,17+/m1/s1
Canonical SMILES
CC(C)CC(N)C(O)C(=O)NC(C(=O)NC(C(=O)NC(CC(=O)O)C(=O)O)C(C)C)C(C)C
Isomeric SMILES
CC(C)C[C@H]([C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(=O)O)C(=O)O)O)N

Synonyms

  • 3-amino-2-hydroxy-5-methylhexanoyl-L-valyl-L-valyl-L-aspartic acid
  • N-[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]-L-valyl-L-valyl-L-aspartic acid
  • (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid
  • L-Aspartic acid, N-(N-(N-(3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl)-L-valyl)-, (S-(R*,S*))-
  • N-((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)-L-valyl-L-valyl-L-aspartic acid
  • (2S)-2-(((2S)-2-(((2S)-2-(((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)amino)-3-methylbutanoyl)amino)-3-methylbutanoyl)amino)butanedioic acid
  • 3-amino-2-hydroxy-5-methylhexanoyl-Val-Val-Asp
  • Leu[1psi,CHOHCONH]ValValAsp
  • L-Aspartic acid, N-[(2S,3R)-3-amino-2-hydroxy-5-methyl-1-oxohexyl]-L-valyl-L-valyl-
  • N-((2S,3R)-3-Amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl-L-valyl-L-aspartic acid
  • N-[(2S,3R)-3-Amino-2-hydroxy-5-methyl-1-oxohexyl]-L-valyl-L-valyl-L-aspartic acid
  • (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methyl-hexanoyl]amino]-3-methyl-butanoyl]amino]-3-methyl-butanoyl]amino]butanedioic acid
  • L-Aspartic acid, N-((2S,3R)-3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl-L-valyl-
  • ((2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl)-L-valyl-L-valyl-L-aspartic acid
  • [(2S,3R)-3-Amino-2-hydroxy-5-methylhexanoyl]-val-val-asp
  • L-Aspartic acid, N-(N-(3-amino-2-hydroxy-5-methyl-1-oxohexyl)-L-valyl)-L-valyl)-, (S-(R*,S*))-
  • N-[(2S)-2-{[(2S)-2-{[(2S,3R)-3-Amino-1,2-dihydroxy-5-methylhexylidene]amino}-1-hydroxy-3-methylbutylidene]amino}-1-hydroxy-3-methylbutylidene]-L-aspartic acid
  • N-[2-({2-[(3-Amino-1,2-dihydroxy-5-methylhexylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-1-hydroxy-3-methylbutylidene]aspartic 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
474.56 g/molcalc.
Exact mass
474.269 Dacalc.
LogP (octanol/water)
-0.95calc.
Topological polar surface area
208.2 Ųcalc.
Hydrogen bond donors
7calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
14calc.
Heavy atoms
33calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.76calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Passes (1 violation)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.

Amastatin suppliers

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Where suppliers are based

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Amastatin 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

Pharmacological actions

  • Protease Inhibitors

Roles

  • enzyme inhibitor
  • protease inhibitor

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 Amastatin is traded under.

HS 2924.19Indicative HS code

Acyclic amides (including acyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$2.38B
−1.7% vs 2023, imports $2.22B
2019 to 2024
Top exporters
  1. China34.7%
  2. Germany12.5%
  3. India * partner reported6.8%
Top importers
  1. United States17.5%
  2. Germany8.8%
  3. India * partner reported6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Amastatin, based on the data on this page

What is Amastatin?

Amastatin is a tetrapeptide comprising (2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl, L-valyl, L-valyl and L-aspartic acid units joined in sequence. It has a role as a protease inhibitor and an EC 3.4.11.* (aminopeptidase) inhibitor.

What is the CAS number of Amastatin?

The CAS registry number of Amastatin is 67655-94-1.

What is the molecular formula and weight of Amastatin?

The molecular formula of Amastatin is C21H38N4O8 and its molar mass is 474.56 g/mol.

What is Amastatin used for?

Known uses and roles of Amastatin include enzyme inhibitor, protease inhibitor and protease inhibitors.

Is Amastatin hazardous?

No GHS hazard classification for Amastatin 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 Amastatin?

Amastatin is usually classified under HS code 292419 (Acyclic amides (including acyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Amastatin?

CompoundList lists 1 supplier of Amastatin in Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Amastatin?

Suppliers quote Amastatin 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

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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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