L-(-)-a-Methylbenzylisocyanide (s)-(-)-alpha-methylbenzyl isocyanide l-(-)-alpha-methylbenzylisocyanide (s)-(-)-1-phenylethylisocyanide 21872-32-2 CAS 21872-32-2

Purity 97%+In StockPharmaceutical Standards
CAS No.21872-32-2
Molecular FormulaC9H15N
Molecular Weight137.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-(-)-a-Methylbenzylisocyanide
(s)-(-)-alpha-methylbenzyl isocyanide
l-(-)-alpha-methylbenzylisocyanide
(s)-(-)-1-phenylethylisocyanide
21872-32-2 CAS 21872-32-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 137.22 g/mol gives L-(-)-a-Methylbenzylisocyanide (s)-(-)-alpha-methylbenzyl isocyanide l-(-)-alpha-methylbenzylisocyanide (s)-(-)-1-phenylethylisocyanide 21872-32-2 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

L-(-)-a-Methylbenzylisocyanide (s)-(-)-alpha-methylbenzyl isocyanide l-(-)-alpha-methylbenzylisocyanide (s)-(-)-1-phenylethylisocyanide 21872-32-2 (CAS 21872-32-2), molecular formula C9H15N and molecular weight 137.22 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, L-(-)-a-Methylbenzylisocyanide (s)-(-)-alpha-methylbenzyl isocyanide l-(-)-alpha-methylbenzylisocyanide (s)-(-)-1-phenylethylisocyanide 21872-32-2 (C9H15N) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 137.22 g/mol, it falls into the low-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.

CATO manufactures L-(-)-a-Methylbenzylisocyanide (s)-(-)-alpha-methylbenzyl isocyanide l-(-)-alpha-methylbenzylisocyanide (s)-(-)-1-phenylethylisocyanide 21872-32-2 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 FormulaC9H15N
Molecular Weight137.22 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1963
Nitrogen Atoms1

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