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FK 888

Also known as (2S,4R)-4-hydroxy-1-(1-methylindole-3-carbonyl)-N-[(2S)-1-(methyl-(phenylmethyl)amino)-3-naphthalen-2-yl-1-oxopropan-2-yl]pyrrolidine-2-carboxamide, L-Alaninamide, trans-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-, L-Alaninamide, (4R)-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-

CAS 138449-07-7Formula C36H36N4O4Molar mass 588.71 g/mol
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FK 888 chemical structure, C36H36N4O4, CAS 138449-07-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
138449-07-7
Formula
C36H36N4O4
Molar mass
588.71 g/mol
HS code
293399
Category
Peptides

What is FK 888?

Plain description, key identifiers and synonyms

(2S,4R)-4-hydroxy-1-[(1-methyl-3-indolyl)-oxomethyl]-N-[(2S)-1-[methyl-(phenylmethyl)amino]-3-(2-naphthalenyl)-1-oxopropan-2-yl]-2-pyrrolidinecarboxamide is a peptide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,4R)-N-[(2S)-1-[benzyl(methyl)amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-4-hydroxy-1-(1-methylindole-3-carbonyl)pyrrolidine-2-carboxamide
CAS number
138449-07-7 CAS number cross-checked
Molecular formula
C36H36N4O4
UNII
DZQ7B7BPD4
InChIKey
BFNKQTIJVFGCKQ-PDJGWCFMSA-N
InChI
InChI=1S/C36H36N4O4/c1-38-23-30(29-14-8-9-15-32(29)38)35(43)40-22-28(41)20-33(40)34(42)37-31(36(44)39(2)21-24-10-4-3-5-11-24)19-25-16-17-26-12-6-7-13-27(26)18-25/h3-18,23,28,31,33,41H,19-22H2,1-2H3,(H,37,42)/t28-,31+,33+/m1/s1
Canonical SMILES
CN(Cc1ccccc1)C(=O)C(Cc1ccc2ccccc2c1)NC(=O)C1CC(O)CN1C(=O)c1cn(C)c2ccccc12
Isomeric SMILES
CN1C=C(C2=CC=CC=C21)C(=O)N3C[C@@H](C[C@H]3C(=O)N[C@@H](CC4=CC5=CC=CC=C5C=C4)C(=O)N(C)CC6=CC=CC=C6)O

Synonyms

  • (2S,4R)-4-hydroxy-1-(1-methylindole-3-carbonyl)-N-[(2S)-1-(methyl-(phenylmethyl)amino)-3-naphthalen-2-yl-1-oxopropan-2-yl]pyrrolidine-2-carboxamide
  • L-Alaninamide, trans-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-
  • L-Alaninamide, (4R)-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-
  • (2S,4R)-4-hydroxy-1-(1-methylindole-3-carbonyl)-N-((2S)-1-(methyl-(phenylmethyl)amino)-3-naphthalen-2-yl-1-oxopropan-2-yl)pyrrolidine-2-carboxamide
  • L-Alaninamide, (4R)-4-hydroxy-1-[(1-methyl-1H-indol-3-yl)carbonyl]-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-
  • L-Alaninamide, trans-4-hydroxy-1-[(1-methyl-1H-indol-3-yl)carbonyl]-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-
  • (4R)-4-Hydroxy-1-[(1-methyl-1H-indol-3-yl)carbonyl]-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-L-alaninamide
  • (2S,4R)-N-[(2S)-1-[benzyl(methyl)amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-4-hydroxy-1-(1-methylindole-3-carbonyl)pyrrolidine-2-carboxamide
  • PDSP2_000648
  • (2S)-N-benzyl-2-{[(2S,4R)-4-hydroxy-1-(1-methyl-1H-indole-3-carbonyl)pyrrolidin-2-yl]formamido}-N-methyl-3-(naphthalen-2-yl)propanamide
  • (2S,4R)-4-Hydroxy-1-(1-Methylindole-3-Carbonyl)-N-[(2S)-1-(Methyl-(Phenylmethyl) Amino)-3-Naphthalen-2-Yl-1-Oxopropan-2-Yl]Pyrrolidi ne-2-Carboxamide
  • (4R)-4-Hydroxy-1-(1-methyl-1H-indole-3-carbonyl)-L-prolyl-N-benzyl-N-methyl-3-(naphthalen-2-yl)-L-alaninamide

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
588.71 g/molcalc.
Exact mass
588.2737 Dacalc.
LogP (octanol/water)
4.29calc.
Topological polar surface area
94.88 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
8calc.
Heavy atoms
44calc.
Rings
6calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (1 violation)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, O=C(NCc1ccccc1)C(Cc1ccc2ccccc2c1)NC(=O)C1CCCN1C(=O)c1c[nH]c2ccccc12

O=C(NCc1ccccc1)C(Cc1ccc2ccccc2c1)NC(=O)C1CCCN1C(=O)c1c[nH]c2ccccc12

6 rings, 41 atoms.

No other chemical in our database has this scaffold.

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 888 suppliers

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FK 888 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 888 is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for FK 888 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about FK 888, based on the data on this page

What is FK 888?

(2S,4R)-4-hydroxy-1-[(1-methyl-3-indolyl)-oxomethyl]-N-[(2S)-1-[methyl-(phenylmethyl)amino]-3-(2-naphthalenyl)-1-oxopropan-2-yl]-2-pyrrolidinecarboxamide is a peptide.

What is the CAS number of FK 888?

The CAS registry number of FK 888 is 138449-07-7.

What is the molecular formula and weight of FK 888?

The molecular formula of FK 888 is C36H36N4O4 and its molar mass is 588.71 g/mol.

Is FK 888 hazardous?

No GHS hazard classification for FK 888 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 888?

FK 888 is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy FK 888?

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What is the price of FK 888?

Suppliers quote FK 888 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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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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