CompoundList
Sign in
Peptides

Cck-4

Also known as 3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-4-oxobutanoic acid, 3-((2-((2-amino-3-(1H-indol-3-yl)propanoyl)amino)-4-methylsulfanylbutanoyl)amino)-4-((1-amino-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acid, Trp-Met-Asp-Phe-NH2

CAS 35144-91-3Formula C29H36N6O6SMolar mass 596.71 g/mol
Get quotes Safety data
Cck-4 chemical structure, C29H36N6O6S, CAS 35144-91-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
35144-91-3
Formula
C29H36N6O6S
Molar mass
596.71 g/mol
HS code
293399
Category
Peptides

What is Cck-4?

Plain description, key identifiers and synonyms

Cck-4 is a chemical substance with the molecular formula C29H36N6O6S and a molar mass of 596.71 g/mol. Its CAS registry number is 35144-91-3. The IUPAC name is 3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-4-oxobutanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-4-oxobutanoic acid
CAS number
35144-91-3 CAS number cross-checked
Molecular formula
C29H36N6O6S
InChIKey
RGYLYUZOGHTBRF-UHFFFAOYSA-N
InChI
InChI=1S/C29H36N6O6S/c1-42-12-11-22(33-27(39)20(30)14-18-16-32-21-10-6-5-9-19(18)21)28(40)35-24(15-25(36)37)29(41)34-23(26(31)38)13-17-7-3-2-4-8-17/h2-10,16,20,22-24,32H,11-15,30H2,1H3,(H2,31,38)(H,33,39)(H,34,41)(H,35,40)(H,36,37)
SMILES (canonical and isomeric)
CSCCC(C(=O)NC(CC(=O)O)C(=O)NC(CC1=CC=CC=C1)C(=O)N)NC(=O)C(CC2=CNC3=CC=CC=C32)N

Synonyms

  • 3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-4-oxobutanoic acid
  • 3-((2-((2-amino-3-(1H-indol-3-yl)propanoyl)amino)-4-methylsulfanylbutanoyl)amino)-4-((1-amino-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acid
  • Trp-Met-Asp-Phe-NH2
  • Gastrin (14-17) (human)
  • CCK 30-33
  • Tetragastrin (hydrochloride)
  • CCK-Tetrapeptide (30-33)
  • CCK-4 Trp-Met-Asp-Phe-NH2 * HCI * H2O
  • 4-[(2-amino-1-benzyl-2-oxo-ethyl)amino]-3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanyl-butanoyl]amino]-4-oxo-butanoic 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
596.71 g/molcalc.
Exact mass
596.2417 Dacalc.
LogP (octanol/water)
0.45calc.
Topological polar surface area
209.5 Ųcalc.
Hydrogen bond donors
7calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
16calc.
Heavy atoms
42calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.35calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Fails (2 violations)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(CCc1c[nH]c2ccccc12)NCC(=O)NCC(=O)NCCc1ccccc1

O=C(CCc1c[nH]c2ccccc12)NCC(=O)NCC(=O)NCCc1ccccc1

3 rings, 30 atoms.

31 other chemicals share 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.

Cck-4 suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Cck-4 can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Cck-4 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Cck-4 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 Cck-4 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cck-4, based on the data on this page

What is Cck-4?

Cck-4 is a chemical substance with the molecular formula C29H36N6O6S and a molar mass of 596.71 g/mol. Its CAS registry number is 35144-91-3. The IUPAC name is 3-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-4-oxobutanoic acid.

What is the CAS number of Cck-4?

The CAS registry number of Cck-4 is 35144-91-3.

What is the molecular formula and weight of Cck-4?

The molecular formula of Cck-4 is C29H36N6O6S and its molar mass is 596.71 g/mol.

Is Cck-4 hazardous?

No GHS hazard classification for Cck-4 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 Cck-4?

Cck-4 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 Cck-4?

Post a free request on CompoundList and suppliers of Cck-4 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cck-4?

Suppliers quote Cck-4 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 Cck-4

Get quotes for Cck-4

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cck-4
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Cck-4 with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cck-4-35144-91-3" title="Cck-4 structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Peptides or HS code 293399

Price on request
Free quotes, contact stays private
Get quotes