Melittin

About Melittin

Melittin is a process intermediate or related compound of Allopurinol carrying the CAS registry number 20449-79-0. The compound has the formula C131H229N39O31, corresponding to a molecular weight of 2846.5 g/mol. Common synonyms include Melittin I and Mellitin.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Allopurinol, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Allopurinol

View every impurity, metabolite and intermediate we list for Allopurinol.

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Melittin
Catalogue No.	VQ-050905
CAS Number	20449-79-0
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
Molecular formula	C₁₃₁H₂₂₉N₃₉O₃₁
Molecular weight	2846.5 g/mol
Exact mass	2845.7575
HSN code	2933
InChIKey	VDXZNPDIRNWWCW-UHFFFAOYSA-N
PubChem CID	16129627

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.7
H-bond donors / acceptors	41 / 37
TPSA	1150 Å²

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled

Precautionary statements: P261, P262, P264, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P316, P321, P330, P361 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Melittin?

The CAS Registry Number of Melittin is 20449-79-0. It is also known as Melittin I, Mellitin, Melittin-T.

What is the molecular formula and molecular weight of Melittin?

Melittin has the molecular formula C131H229N39O31 and a molecular weight of 2846.5 g/mol.

What is Melittin used for?

Melittin is supplied as a characterised reference material related to Allopurinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Melittin can I order?

We supply Melittin, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Melittin?

Yes. Every lot of Melittin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Melittin be shipped internationally?

Yes. Melittin is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.