(Thr28,Nle31)-Cholecystokinin-33 (25-33) (sulfated) CAS 77568-41-3

Description

Compared with other compounds in its class, the molecular weight of 1251.34 g/mol gives (Thr28,Nle31)-Cholecystokinin-33 (25-33) (sulfated) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (Thr28,Nle31)-Cholecystokinin-33 (25-33) (sulfated) (CAS 77568-41-3), a certified reference material (molecular formula C55H74N14O18S, MW 1251.34 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, (Thr28,Nle31)-Cholecystokinin-33 (25-33) (sulfated) is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 1251.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 (Thr28,Nle31)-Cholecystokinin-33 (25-33) (sulfated) 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

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