Melanin

About Melanin

Melanin is an impurity of Epinephrine carrying the CAS registry number 8049-97-6. Formula C18H10N2O4, molecular weight 318.3 g/mol. Alternative names: Melanins and Melanin from Sepia officinalis.

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. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Epinephrine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Melanin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Epinephrine

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

Epinephrine impurities

Specifications & identifiers

Chemical identifiers
Product name	Melanin
Catalogue No.	VQ-032821
CAS Number	8049-97-6
IUPAC name	6,14-dimethyl-4,12-diazapentacyclo[8.6.1.12,5.013,17.09,18]octadeca-1(17),2,5,9(18),10,13-hexaene-7,8,15,16-tetrone
Molecular formula	C₁₈H₁₀N₂O₄
Molecular weight	318.3 g/mol
Exact mass	318.0641
Grade	Reference Standard
HSN code	38229090
InChIKey	XUMBMVFBXHLACL-UHFFFAOYSA-N
SMILES	CC1=C2C3=C(C4=CNC5=C(C(=O)C(=O)C(=C45)C3=CN2)C)C(=O)C1=O
PubChem CID	6325610

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.2
H-bond donors / acceptors	2 / 6
TPSA	92.3 Å²
Synonyms	Melanins, Melanin from Sepia officinalis, Melanin synthetic, 3,8-dimethylbenzo[1,2,3-cd:4,5,6-c'd']diindole-4,5,9,10(2H,7H)-tetraone, Melanin, synthetic, Creanatural Sepia Melanin, Melanin - fungal (Ganoderma lucidum), Melanin - insect (Hermetia illucens), Melanin - plant (Osmanthus fragrans), 2,7-Dihydro-3,8-dimethylanthra[1,9-bc:5,10-b'c']dipyrrole-4,5,9,10-tetrone, 3,8-Dimethyl-2,7-dihydrobenzo[1,2,3-cd:4,5,6-c'd']diindole-4,5,9,10-tetrone, Anthra[1,9-bc:5,10-b'c']dipyrrole-4,5,9,10-tetrone, 2,7-dihydro-3,8-dimethyl-

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 Melanin?

The CAS Registry Number of Melanin is 8049-97-6. It is also known as Melanins, Melanin from Sepia officinalis, Melanin synthetic.

What is the molecular formula and molecular weight of Melanin?

Melanin has the molecular formula C18H10N2O4 and a molecular weight of 318.3 g/mol. Its IUPAC name is 6,14-dimethyl-4,12-diazapentacyclo[8.6.1.12,5.013,17.09,18]octadeca-1(17),2,5,9(18),10,13-hexaene-7,8,15,16-tetrone.

What is Melanin used for?

Melanin is supplied as a characterised reference material related to Epinephrine. 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 Melanin can I order?

We supply Melanin in Reference Standard grade, 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 Melanin?

Yes. Every lot of Melanin 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 Melanin be shipped internationally?

Yes. We export Melanin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.