H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH CAS 178561-37-0

Purity 97%+In StockPharmaceutical Standards
CAS No.178561-37-0
Molecular FormulaC50H71N11O13
Molecular Weight1034.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH CAS 178561-37-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH.

H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH (CAS 178561-37-0), molecular formula C50H71N11O13 and molecular weight 1034.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH (C50H71N11O13) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 1034.17 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), H-Ser-Ile-Tyr-Arg-Tyr-Tyr-Gly-Leu-OH 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 FormulaC50H71N11O13
Molecular Weight1034.17 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)21.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2008
Nitrogen Atoms11

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