K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP CAS 7775-39-5

Purity 97%+In StockPharmaceutical Standards
CAS No.7775-39-5
Molecular FormulaC12H16O2
Molecular Weight192.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP CAS 7775-39-5 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 K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP.

K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP (CAS 7775-39-5) is a high-purity analytical reference standard with the molecular formula C12H16O2 and a molecular weight of 192.25 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 192.25 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.

As a certified reference material (CRM), K9REG8PIWP 7775-39-5 alpha-Methylbenzyl isobutyrate 1-Phenylethyl isobutyrate Propanoic acid, 2-methyl-, 1-phenylethyl ester EINECS 231-894-2 FEMA No. 2687 Isobutyric acid, alpha-methylbenzyl ester alpha-Methylbenzyl 2-methylpropanoate Methylphenylcarbinyl isobutyrate 1-Phenyl-1-ethyl isobutyrate 1-Phenyl-1-ethyl 2-methylpropanoate Styralyl isobutyrate UNII-K9REG8PIWP 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 FormulaC12H16O2
Molecular Weight192.25 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959

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