(3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione CAS 33644-10-9

Purity 97%+In StockPharmaceutical Standards
CAS No.33644-10-9
Molecular FormulaC9H10O4
Molecular Weight182.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione CAS 33644-10-9 chemical structure

Description

The occurrence of (3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione (CAS 33644-10-9), molecular formula C9H10O4 and molecular weight 182.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione (C9H10O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 182.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures (3AR,4S,6aR)-4-ethyl-3-methylenedihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC9H10O4
Molecular Weight182.17 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

Recommended Standards

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