API Process Intermediates & Related Compounds

Rhamnetin

Name: Rhamnetin
Brand: Zemixal
SKU: ZX-042411

Available on request

Order Rhamnetin (CAS 90-19-7) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-042411.

Pack sizes

CAS number90-19-7

FormulaC₁₆H₁₂O₇

Molar mass316.26 g/mol

Physical formSolid

InChIKeyJGUZGNYPMHHYRK-UHFFFAOYSA-N

IUPAC name2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxychromen-4-one

About Rhamnetin

Rhamnetin is part of the Zemixal API Process Intermediates & Related Compounds range. Key data: CAS 90-19-7, formula C16H12O7 and molar mass 316.26 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Safe handling

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Quercetin

See every impurity, metabolite and related compound we list for this API.

Quercetin standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Rhamnetin
Product name	Rhamnetin
Catalogue number	ZX-042411
CAS number	90-19-7
IUPAC name	2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxychromen-4-one
Molecular formula	C₁₆H₁₂O₇
Molar mass	316.26 g/mol
Exact mass	316.0583
Physical form	Solid
XLogP3	1.9
H-bond donors / acceptors	4 / 7
Topological polar surface area	116 Å²
InChIKey	JGUZGNYPMHHYRK-UHFFFAOYSA-N
SMILES	COC1=CC(=C2C(=C1)OC(=C(C2=O)O)C3=CC(=C(C=C3)O)O)O
PubChem CID	5281691
Synonyms	beta-Rhamnocitrin, 7-Methoxyquercetin, 7-O-Methylquercetin, Quercetin 7-methyl ether, 7-Methylquercetin, 3,3',4',5-Tetrahydroxy-7-methoxyflavone, 3,5,3',4'-Tetrahydroxy-7-methoxyflavone, 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-1-benzopyran-4-one, 3,5,3',4'-Tetrahydroxy-7-methoxyflaone, 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-, Flavone, 3,3',4',5-tetrahydroxy-7-methoxy-, 7-methoxy-quercetin

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Rhamnetin
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Rhamnetin

Which CAS number identifies Rhamnetin?

Rhamnetin is registered under CAS 90-19-7. You may also see it listed as beta-Rhamnocitrin, 7-Methoxyquercetin, 7-O-Methylquercetin. Our catalogue number for this item is ZX-042411.

What are the formula and molar mass of Rhamnetin?

For Rhamnetin, its formula is C16H12O7 and its molar mass is 316.26 g/mol. The systematic (IUPAC) name is 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxychromen-4-one. InChIKey JGUZGNYPMHHYRK-UHFFFAOYSA-N lets you match it in any structure database.

How is Rhamnetin used in pharmaceutical QC?

Rhamnetin is a characterised reference material linked to Quercetin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Rhamnetin?

The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Rhamnetin?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Rhamnetin to my country?

Yes. Because Rhamnetin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Quercetin standards

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