PHR2071

Benzhydrol

Pharmaceutical Secondary Standard; Certified Reference Material

• Synonym(s): Diphenylmethanol, Diphenhydramine Impurity D, Benzhydrol, Benzhydryl alcohol, Diphenyl carbinol
• Linear Formula: (C₆H₅)₂CHOH
• CAS Number: 91-01-0
• Molecular Weight: 184.23
• NACRES: NA.24
• UNSPSC Code: 41116107
• Beilstein/REAXYS Number: 1424379
• MDL number: MFCD00004488

Properties

• SMILES string: OC(c1ccccc1)c2ccccc2
• InChI key: QILSFLSDHQAZET-UHFFFAOYSA-N
• InChI: 1S/C13H12O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H
• grade: certified reference material, pharmaceutical secondary standard
• agency: traceable to Ph. Eur. Y0000887, traceable to USP 1051602
• API family: diphenhydramine, cyclizine
• CofA: current certificate can be downloaded
• packaging: pkg of 100 mg
• bp: 297-298 °C (lit.)
• mp: 65-67 °C (lit.)
• application(s): pharmaceutical small molecule
• format: neat
• storage temp.: 2-8°C
• Quality Level: 300

Description

General description

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Benzhydrol is a commonly used precursor in the production of pharmaceutical drugs, such as antihistamines, antihypertensives, and antiallergens.[1]

Application

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

To see an example of a Certificate of Analysis for this material enter LRAB8552 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable