Melittin

Also known as: melittin, forapin, forapine, bee venom melittin, honey bee melittin, melitten, C11198, GIGAVLKVLTTGLPALISWIKRKRQQ-NH2, Gly-Ile-Gly-Ala-Val-Leu-Lys-Val-Leu-Thr-Thr-Gly-Leu-Pro-Ala-Leu-Ile-Ser-Trp-Ile-Lys-Arg-Lys-Arg-Gln-Gln-NH2

Melittin (CAS 20449-79-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C131H229N39O31 and a molecular weight of 2846.463 g/mol. Key property: a density of 1.4±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20449-79-0
Jingsj CID: J-1969470-6
Molecular Formula: C₁₃₁H₂₂₉N₃₉O₃₁
Molecular Weight: 2846.463 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density	1.4±0.1 g/cm3
Exact Mass	2844.754150
PSA	1152.34000
LogP	-1.32
Refractive Index	1.635
Storage Conditions	2~8°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed
H311 — Toxic in contact with skin
H331 — Toxic if inhaled

Activity & Biological Data

Target	PLA2[1]
Additional Information	[1]. Steiner MR, et al. Responses of purified phospholipases A2 to phospholipase A2 activating protein (PLAP) and Melittin. Biochim Biophys Acta. 1993 Feb 10;1166(1):124-30. [2]. Alonezi S, et al. Metabolomic Profiling of the Effects of Melittin on Cisplatin Resistant and Cisplatin Sensitive Ovarian Cancer Cells Using Mass Spectrometry and Biolog Microarray Technology. Metabolites. 2016 Oct 13;6(4). pii: E35.

Target

PLA2[1]

Additional Information

[1]. Steiner MR, et al. Responses of purified phospholipases A2 to phospholipase A2 activating protein (PLAP) and Melittin. Biochim Biophys Acta. 1993 Feb 10;1166(1):124-30. [2]. Alonezi S, et al. Metabolomic Profiling of the Effects of Melittin on Cisplatin Resistant and Cisplatin Sensitive Ovarian Cancer Cells Using Mass Spectrometry and Biolog Microarray Technology. Metabolites. 2016 Oct 13;6(4). pii: E35.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Melittin?

The CAS number of Melittin is 20449-79-0.

What are the molecular formula and molecular weight of Melittin?

Melittin has molecular formula C131H229N39O31 and molecular weight 2846.463 g/mol.

Is Melittin hazardous?

Melittin has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Melittin (CAS 20449-79-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969470-6 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.