(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)

Name: (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)
Brand: Zemixal
SKU: ZX-045059

Reference StandardAvailable on request

Order (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) (CAS 191666-22-5) online at Zemixal…

Pack sizes

(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) chemical structure

CAS number191666-22-5

FormulaC₁₁H₁₂O₄

Molar mass208.21 g/mol

Physical formSolid

HS code38229090

InChIKeyZNXXWTPQHVLMQT-MRVPVSSYSA-N

IUPAC name(5R)-5-[(3,4-dihydroxyphenyl)methyl]oxolan-2-one

About (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)

Zemixal lists (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) for laboratories that identify, quantify or control Catechin and its related substances. Identity at a glance (Reference Standard): CAS 191666-22-5, formula C11H12O4 and molar mass 208.21 g/mol. It is handled as a solid.

Common uses in the lab and plant

Metabolite identification
Stability-indicating methods
Impurity profiling

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Catechin

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

Catechin standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)
Product name	(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)
Catalogue number	ZX-045059
CAS number	191666-22-5
IUPAC name	(5R)-5-[(3,4-dihydroxyphenyl)methyl]oxolan-2-one
Molecular formula	C₁₁H₁₂O₄
Molar mass	208.21 g/mol
Exact mass	208.0736
Grade	Reference Standard
Physical form	Solid
XLogP3	1.5
H-bond donors / acceptors	2 / 4
Topological polar surface area	66.8 Å²
HS code	38229090
InChIKey	ZNXXWTPQHVLMQT-MRVPVSSYSA-N
SMILES	C1CC(=O)O[C@H]1CC2=CC(=C(C=C2)O)O
PubChem CID	45093080
Synonyms	(5R)-5-((3,4-Dihydroxyphenyl)methyl)oxolan-2-one, (-)-5-(3',4'-dihydroxyphenyl)-gamma-valerolactone, (R)-5-(3,4-Dihydroxybenzyl)dihydrofuran-2(3H)-one, Epicatechin metabolite M6, (2R)-2-(3,4-Dihydroxybenzyl)tetrahydrofuran-5-one, Epigallocatechin metabolite M6, Epicatechin gallate metabolite M6, Epigallocatechin gallate metabolite M6, (4R)-5-(3',4'-Dihydroxyphenyl)-gamma-valerolactone ((-)-Epicatechin Metabolite), 2(3H)-Furanone, 5-((3,4-dihydroxyphenyl)methyl)dihydro-, (5R)-

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

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)
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 (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)

Which CAS number identifies (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)?

(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) is registered under CAS 191666-22-5. You may also see it listed as (5R)-5-((3,4-Dihydroxyphenyl)methyl)oxolan-2-one, (-)-5-(3',4'-dihydroxyphenyl)-gamma-valerolactone, (R)-5-(3,4-Dihydroxybenzyl)dihydrofuran-2(3H)-one. Our catalogue number for this item is ZX-045059.

What are the formula and molar mass of (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)?

For (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite), its formula is C11H12O4 and its molar mass is 208.21 g/mol. The systematic (IUPAC) name is (5R)-5-[(3,4-dihydroxyphenyl)methyl]oxolan-2-one. InChIKey ZNXXWTPQHVLMQT-MRVPVSSYSA-N lets you match it in any structure database.

How is (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) used in pharmaceutical QC?

(4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) is a characterised reference material linked to Catechin. 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 (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)?

This listing is Reference Standard grade. 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 (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite)?

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 (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) to my country?

Yes. Because (4R)-5-(3',4'-Dihydroxyphenyl)-γ-valerolactone ((-)-Epicatechin Metabolite) 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.

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