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Peptides

Melitten

Also known as Melittin I, Mellitin, Melittin-T

CAS 20449-79-0Formula C131H229N39O31Molar mass 2,846.52 g/molEC 253-417-7
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 10 suppliers listed
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Melitten chemical structure, C131H229N39O31, CAS 20449-79-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20449-79-0
Formula
C131H229N39O31
Molar mass
2,846.52 g/mol
EC number
253-417-7
HS code
293399
Category
Peptides

What is Melitten?

Plain description, key identifiers and synonyms

Melitten is a chemical substance with the molecular formula C131H229N39O31 and a molar mass of 2,846.52 g/mol. Its CAS registry number is 20449-79-0. The IUPAC name is 2-[[5-amino-2-[[2-[[6-amino-2-[[2-[[6-amino-2-[[2-[[2-[[2-[[2-[[2-[2-[[1-[2-[[2-[[2-[[2-[[2-[[2-[[6-amino-2-[[2-[[2-[2-[[2-[[2-[(2-aminoacetyl)amino]-3-methylpentanoyl]amino]acetyl]amino]propanoylamino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]acetyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]propanoylamino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxypropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-methylpentanoyl]amino]hexanoyl]amino]-5-carbamimidamidopentanoyl]amino]hexanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-oxopentanoyl]amino]pentanediamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[[5-amino-2-[[2-[[6-amino-2-[[2-[[6-amino-2-[[2-[[2-[[2-[[2-[[2-[2-[[1-[2-[[2-[[2-[[2-[[2-[[2-[[6-amino-2-[[2-[[2-[2-[[2-[[2-[(2-aminoacetyl)amino]-3-methylpentanoyl]amino]acetyl]amino]propanoylamino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]acetyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]propanoylamino]-4-methylpentanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxypropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-methylpentanoyl]amino]hexanoyl]amino]-5-carbamimidamidopentanoyl]amino]hexanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-oxopentanoyl]amino]pentanediamide
CAS number
20449-79-0Other or deprecated CAS: 37231-28-0
EC numbers
253-417-7, 629-303-1
Molecular formula
C131H229N39O31
INCI name
MELITTIN
InChIKey
VDXZNPDIRNWWCW-UHFFFAOYSA-N
InChI
InChI=1S/C131H229N39O31/c1-23-71(16)102(163-97(176)60-135)122(194)146-62-98(177)148-74(19)109(181)164-100(69(12)13)124(196)160-88(55-65(4)5)116(188)155-84(41-30-33-51-134)115(187)165-101(70(14)15)125(197)161-90(57-67(8)9)118(190)168-106(77(22)173)128(200)169-105(76(21)172)123(195)147-63-99(178)150-92(58-68(10)11)129(201)170-54-36-44-94(170)121(193)149-75(20)108(180)158-89(56-66(6)7)117(189)166-104(73(18)25-3)127(199)162-93(64-171)120(192)159-91(59-78-61-145-80-38-27-26-37-79(78)80)119(191)167-103(72(17)24-2)126(198)157-83(40-29-32-50-133)111(183)154-85(42-34-52-143-130(139)140)112(184)152-82(39-28-31-49-132)110(182)153-86(43-35-53-144-131(141)142)113(185)156-87(46-48-96(137)175)114(186)151-81(107(138)179)45-47-95(136)174/h26-27,37-38,61,65-77,81-94,100-106,145,171-173H,23-25,28-36,39-60,62-64,132-135H2,1-22H3,(H2,136,174)(H2,137,175)(H2,138,179)(H,146,194)(H,147,195)(H,148,177)(H,149,193)(H,150,178)(H,151,186)(H,152,184)(H,153,182)(H,154,183)(H,155,188)(H,156,185)(H,157,198)(H,158,180)(H,159,192)(H,160,196)(H,161,197)(H,162,199)(H,163,176)(H,164,181)(H,165,187)(H,166,189)(H,167,191)(H,168,190)(H,169,200)(H4,139,140,143)(H4,141,142,144)
SMILES (canonical and isomeric)
CCC(C)C(C(=O)NCC(=O)NC(C)C(=O)NC(C(C)C)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(C(C)C)C(=O)NC(CC(C)C)C(=O)NC(C(C)O)C(=O)NC(C(C)O)C(=O)NCC(=O)NC(CC(C)C)C(=O)N1CCCC1C(=O)NC(C)C(=O)NC(CC(C)C)C(=O)NC(C(C)CC)C(=O)NC(CO)C(=O)NC(CC2=CNC3=CC=CC=C32)C(=O)NC(C(C)CC)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCC(=O)N)C(=O)NC(CCC(=O)N)C(=O)N)NC(=O)CN

Synonyms

  • Melittin I
  • Mellitin
  • Melittin-T
  • h-Gigavlkvlttglpalisw ikrkrqq-nh2
  • Gigavlkvlttglpaliswikrkrqq-nh2 melittin
  • Melittin - CAS 37231-28-0 - Calbiochem
  • H-Gly-Ile-Gly-Ala-Val-Leu-Lys-Val-Leu-Thr-Thr-Gly-Leu-Pro-Ala-Leu-Ile-Se r-Trp-Ile-Lys-Arg-Lys-Arg-Gln-Gln-NH2

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
2,846.52 g/molcalc.
Exact mass
2,844.7542 Dacalc.
LogP (octanol/water)
-9.08calc.
Topological polar surface area
1,152 Ųcalc.
Hydrogen bond donors
41calc.
Hydrogen bond acceptors
37calc.
Rotatable bonds
97calc.
Heavy atoms
201calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.71calc.
Formal charge
0calc.
Stereocentres
28calc.
Lipinski rule of five
Fails (3 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(CNC(=O)CNC(=O)CNC(=O)CNC(=O)C1CCCN1)NCCc1c[nH]c2ccccc12

O=C(CNC(=O)CNC(=O)CNC(=O)CNC(=O)C1CCCN1)NCCc1c[nH]c2ccccc12

3 rings, 35 atoms.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H331Toxic if inhaled.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Melitten suppliers

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

All 10 suppliers
10 of 10 offers
  • Hangzhou Baue Chemical Co., Ltd
    Italy ManufacturerUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
    View
  • Angel Pharmatech Ltd.
    China, ShanghaiUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • Chem-Impex
    United States, Wood DaleUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • Cooke Chemical Co., Ltd.
    China, FuxinUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • EvitaChem
    China, BeijingUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • Hairui Chemical
    China, HangzhouUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • Leapchem
    China, Hong KongUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • MolCore
    China, HangzhouUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
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  • Molecule Market, LLC
    United States, Upper Saddle RiverUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
    View
  • MP Biomedicals
    United States, SolonUnclaimed profile
    MelittenGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

10 suppliers in 3 countries

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Melitten price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name MELITTIN(anti-sebum)

Functional uses

  • Pharmaceutical

Cosmetic functions

  • Anti-sebum

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Melitten 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 Melitten is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Melitten?

Melitten is a chemical substance with the molecular formula C131H229N39O31 and a molar mass of 2,846.52 g/mol. Its CAS registry number is 20449-79-0.

What is the CAS number of Melitten?

The CAS registry number of Melitten is 20449-79-0. Other or deprecated CAS numbers: 37231-28-0.

What is the molecular formula and weight of Melitten?

The molecular formula of Melitten is C131H229N39O31 and its molar mass is 2,846.52 g/mol.

What is Melitten used for?

Known uses and roles of Melitten include skin conditioning agents in cosmetics and personal care, anti-sebum and pharmaceutical.

Is Melitten hazardous?

Melitten carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic in contact with skin, toxic if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Melitten?

Melitten 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 Melitten?

CompoundList lists 10 suppliers of Melitten in China, United States and Italy. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Melitten?

Suppliers quote Melitten 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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