Alkannin - ≥96%(HPLC) , CAS No.517-88-4

CAS: 517-88-4 Cat. No.: S303868 Molecular Weight: 288.3 PubChem CID: 72521
AVAILABLE TO ORDER
GRADE & PURITY ≥96%(HPLC)
Synonyms
Alkannin|517-88-4|Alkanna Red|Anchusin|Anchusa acid|Alkannin (VAN)|Anchusin (VAN)|shikonin|Alkanna red (VAN)|Anchusa acid (VAN)|23444-65-7|CHEBI:2578|(S)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)-1,4-naphthoquinone|CHEMBL4127840|(S)-5,8-Dihydroxy-2-
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
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Size
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Price
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5mg
S303868-5mg
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25mg
S303868-25mg
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$264.90

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100mg
S303868-100mg
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$735.90

$859.90
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Why this grade

≥96%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

(-)-Alkannin, found in Alkanna tinctoria, is used as a food coloring. (-)-Alkannin shows anticancer activity, arrests cell cycle, and induces apoptosis. (-)-Alkannin improves hepatic inflammation in a Rho-kinase pathway.

Specifications

Synonyms
Alkannin | 517-88-4 | Alkanna Red | Anchusin | Anchusa acid | Alkannin (VAN) | Anchusin (VAN) | shikonin | Alkanna red (VAN) | Anchusa acid (VAN) | 23444-65-7 | CHEBI:2578 | (S)-5, 8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)-1, 4-naphthoquinone | CHEMBL4127840 | (S)-5, 8-Dihydroxy-2-
Specifications & Purity
≥96%(HPLC)
Storage
Store at -20°C, Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥96%(HPLC)
Names and Identifiers
Canonical SmilesCC(=CCC(C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O)O)C
IUPAC Name5,8-dihydroxy-2-[(1S)-1-hydroxy-4-methylpent-3-enyl]naphthalene-1,4-dione
InChIKeyNEZONWMXZKDMKF-JTQLQIEISA-N
INCHI1S/C16H16O5/c1-8(2)3-4-10(17)9-7-13(20)14-11(18)5-6-12(19)15(14)16(9)21/h3,5-7,10,17-19H,4H2,1-2H3/t10-/m0/s1
Isomeric SMILES CC(=CC[C@@H](C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O)O)C
PubChem CID 72521
Molecular Weight 288.3

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassNaphthalenes
SubclassNaphthoquinones
Intermediate Tree Nodes Not available
Direct ParentNaphthoquinones
Alternative Parents Bicyclic monoterpenoids  Aromatic monoterpenoids  Quinones  Aryl ketones  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Secondary alcohols  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Naphthoquinone - Aromatic monoterpenoid - Bicyclic monoterpenoid - Monoterpenoid - Aryl ketone - Quinone - 1-hydroxy-2-unsubstituted benzenoid - Vinylogous acid - Ketone - Secondary alcohol - Hydrocarbon derivative - Alcohol - Organic oxide - Organic oxygen compound - Organooxygen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthoquinones. These are compounds containing a naphthohydroquinone moiety, which consists of a benzene ring linearly fused to a bezene-1,4-dione (quinone).
External Descriptors naphthoquinone
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
F2523056Certificate of AnalysisJul 08, 2025 S303868
J2115272Certificate of AnalysisAug 09, 2024 S303868
J2115311Certificate of AnalysisAug 09, 2024 S303868
J2115336Certificate of AnalysisAug 09, 2024 S303868
Chemical and Physical Properties
Flash Point(°C)311°C
Boil Point(°C)567.4°C
Molecular Weight288.290 g/mol
XLogP33.000
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass288.1 Da
Monoisotopic Mass288.1 Da
Topological Polar Surface Area94.800 Ų
Heavy Atom Count21
Formal Charge0
Complexity501.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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