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FK 565

Also known as D-Alanine, N-(1-oxoheptyl)-D-gamma-glutamyl-(6R)-6-carboxy-L-lysyl-, N-(1-Oxoheptyl)-D-gamma-glutamyl-(6R)-6-carboxy-L-lysyl-D-alanine, N-[(R)-6-Carboxy-N2-[N-(1-oxoheptyl)-D-gamma-glutamyl]-L-lysyl]-D-alanine

CAS 79335-75-4Formula C22H38N4O9Molar mass 502.57 g/mol
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FK 565 chemical structure, C22H38N4O9, CAS 79335-75-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
79335-75-4
Formula
C22H38N4O9
Molar mass
502.57 g/mol
HS code
292419
Category
Peptides

What is FK 565?

Plain description, key identifiers and synonyms

FK 565 is a chemical substance with the molecular formula C22H38N4O9 and a molar mass of 502.57 g/mol. Its CAS registry number is 79335-75-4. The IUPAC name is (2R,6S)-2-amino-7-[[(1R)-1-carboxyethyl]amino]-6-[[(4R)-4-carboxy-4-(heptanoylamino)butanoyl]amino]-7-oxoheptanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,6S)-2-amino-7-[[(1R)-1-carboxyethyl]amino]-6-[[(4R)-4-carboxy-4-(heptanoylamino)butanoyl]amino]-7-oxoheptanoic acid
CAS number
79335-75-4 CAS number cross-checked
Molecular formula
C22H38N4O9
UNII
HD9KDE59ZR
InChIKey
ZRWBSKCFKHSDHD-LVQVYYBASA-N
InChI
InChI=1S/C22H38N4O9/c1-3-4-5-6-10-17(27)26-16(22(34)35)11-12-18(28)25-15(9-7-8-14(23)21(32)33)19(29)24-13(2)20(30)31/h13-16H,3-12,23H2,1-2H3,(H,24,29)(H,25,28)(H,26,27)(H,30,31)(H,32,33)(H,34,35)/t13-,14-,15+,16-/m1/s1
Canonical SMILES
CCCCCCC(=O)NC(CCC(=O)NC(CCCC(N)C(=O)O)C(=O)NC(C)C(=O)O)C(=O)O
Isomeric SMILES
CCCCCCC(=O)N[C@H](CCC(=O)N[C@@H](CCC[C@H](C(=O)O)N)C(=O)N[C@H](C)C(=O)O)C(=O)O

Synonyms

  • D-Alanine, N-(1-oxoheptyl)-D-gamma-glutamyl-(6R)-6-carboxy-L-lysyl-
  • N-(1-Oxoheptyl)-D-gamma-glutamyl-(6R)-6-carboxy-L-lysyl-D-alanine
  • N-[(R)-6-Carboxy-N2-[N-(1-oxoheptyl)-D-gamma-glutamyl]-L-lysyl]-D-alanine
  • (2R,6S)-2-amino-7-[[(1R)-1-carboxyethyl]amino]-6-[[(4R)-4-carboxy-4-(heptanoylamino)butanoyl]amino]-7-oxoheptanoic acid
  • (2R,6S)-2-Amino-6-((R)-4-carboxy-4-heptanamidobutanamido)-7-(((R)-1-carboxyethyl)amino)-7-oxoheptanoic acid
  • FR 41565
  • Heptanoyl-gamma-D-glutamyl-L-meso-diaminopimelyl-D-alanine
  • N-[(R)-6-Carboxy-N2-[N-(1-oxoheptyl)-D-?-glutamyl]-L-lysyl]-D-alanine
  • D-Alanine, N-((R)-6-carboxy-N2-(N-(1-oxoheptyl)-D-gamma-glutamyl)-L-lysyl)-
  • D-Alanine, N-(1-oxoheptyl)-D-g-glutamyl-(6R)-6-carboxy-L-lysyl-
  • Heptanoyl-gamma-d-glutamyl-(l)-meso-diaminopimelyl-(d)-alanine
  • N-[N2-(N-Heptanoyl-gamma-D-glutamyl)-meso-2(L),2'-(D)-diamino-1-pimeloyl]-D-alanine
  • (2R,6S)-2-amino-6-[[(4R)-4-(heptanoylamino)-5-hydroxy-5-oxo-pentanoyl]amino]-7-[[(1R)-2-hydroxy-1-methyl-2-oxo-ethyl]amino]-7-oxo-heptanoic acid
  • (2R,6S)-2-Amino-7-{[(1R)-1-carboxyethyl]amino}-6-[(N-heptanoyl-D-gamma-glutamyl)amino]-7-oxoheptanoic 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
502.57 g/molcalc.
Exact mass
502.2639 Dacalc.
LogP (octanol/water)
-0.04calc.
Topological polar surface area
225.2 Ųcalc.
Hydrogen bond donors
7calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
19calc.
Heavy atoms
35calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Fails (2 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.

FK 565 suppliers

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FK 565 price

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 FK 565 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 FK 565 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about FK 565, based on the data on this page

What is FK 565?

FK 565 is a chemical substance with the molecular formula C22H38N4O9 and a molar mass of 502.57 g/mol. Its CAS registry number is 79335-75-4. The IUPAC name is (2R,6S)-2-amino-7-[[(1R)-1-carboxyethyl]amino]-6-[[(4R)-4-carboxy-4-(heptanoylamino)butanoyl]amino]-7-oxoheptanoic acid.

What is the CAS number of FK 565?

The CAS registry number of FK 565 is 79335-75-4.

What is the molecular formula and weight of FK 565?

The molecular formula of FK 565 is C22H38N4O9 and its molar mass is 502.57 g/mol.

Is FK 565 hazardous?

No GHS hazard classification for FK 565 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 FK 565?

FK 565 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 FK 565?

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What is the price of FK 565?

Suppliers quote FK 565 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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