(2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride 1173394-98-3 9933AC C9H11ClN2O CAS 1173394-98-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1173394-98-3
Molecular FormulaC9H11ClN2O
Molecular Weight198.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride
1173394-98-3
9933AC
C9H11ClN2O CAS 1173394-98-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 198.65 g/mol gives (2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride 1173394-98-3 9933AC C9H11ClN2O distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride 1173394-98-3 9933AC C9H11ClN2O (CAS 1173394-98-3) is a high-purity analytical reference standard with the molecular formula C9H11ClN2O and a molecular weight of 198.65 g/mol.

Based on its molecular formula C9H11ClN2O, (2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride 1173394-98-3 9933AC C9H11ClN2O contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), (2E)-3-(1,3,5-Trimethyl-1H-pyrazol-4-yl)-acryloyl chloride 1173394-98-3 9933AC C9H11ClN2O 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 FormulaC9H11ClN2O
Molecular Weight198.65 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms2

Related E Standards

Recommended Standards

Why CATO?