O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene CAS 136157-98-7

Purity 97%+In StockPharmaceutical Standards
CAS No.136157-98-7
Molecular FormulaC50H64O8
Molecular Weight793.04 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene CAS 136157-98-7 chemical structure

Description

O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene (CAS 136157-98-7), molecular formula C50H64O8 and molecular weight 793.04 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene (C50H64O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 793.04 g/mol, it falls into the high-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.

As a certified reference material (CRM), O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC50H64O8
Molecular Weight793.04 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995

Recommended Standards

Why CATO?