PHR1158
Benzocaine
Pharmaceutical Secondary Standard; Certified Reference Material
Synonym(s):
4-Aminobenzoic acid ethyl ester, Ethyl 4-aminobenzoate
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About This Item
Empirical Formula (Hill Notation):
C9H11NO2
CAS Number:
Molecular Weight:
165.19
Beilstein:
638434
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
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grade
certified reference material
pharmaceutical secondary standard
Quality Level
Agency
traceable to USP 1054000
API family
benzocaine
CofA
current certificate can be downloaded
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-30°C
SMILES string
CCOC(=O)c1ccc(N)cc1
InChI
1S/C9H11NO2/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6H,2,10H2,1H3
InChI key
BLFLLBZGZJTVJG-UHFFFAOYSA-N
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General description
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.
Benzocaine is an ester-type local anesthetic, able to induce pain relief. It is used extensively in topical, mucosal and dermal formulations.
Benzocaine is an ester-type local anesthetic, able to induce pain relief. It is used extensively in topical, mucosal and dermal formulations.
Application
Benzocaine may be used as a pharmaceutical reference standard for the determination of the analyte in bioadhesive gel, pharmaceutical formulations and channel catfish tissues by various chromatography techniques.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
Analysis Note
These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.
Other Notes
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.
Values of analytes vary lot to lot.
Footnote
To see an example of a Certificate of Analysis for this material enter LRAA6506 in the slot below. This is an example certificate only and may not be the lot that you receive.
Recommended products
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.
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Product No.
Description
Pricing
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
233.6 °F
Flash Point(C)
112 °C
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A new validated method for the simultaneous determination of benzocaine, propylparaben and benzyl alcohol in a bioadhesive gel by HPLC.
Perez-Lozano P, et al.
Journal of Pharmaceutical and Biomedical Analysis, 39(5), 920-927 (2005)
Separation and simultaneous high-performance liquid chromatographic determination of benzocaine and benzyl benzoate in a pharmaceutical preparation.
Gigante B, et al.
Journal of Chromatography A, 549(5), 217-220 (1991)
A Szoke et al.
Journal of pharmaceutical and biomedical analysis, 16(1), 69-75 (1998-02-03)
Methods for extraction and gradient HPLC quantification were developed for benzocaine (BZ) and three of its metabolites to be used in conjunction with a reverse isotope technique. The metabolites were p-aminobenzoic acid (PABA), acetyl-p-aminobenzoic acid (AcPABA) and acetylbenzocaine (AcBZ). The
Qing Zhu et al.
Molecular pharmaceutics, 9(3), 546-553 (2012-02-04)
The crystallization kinetics of various active pharmaceutical ingredient/polyethylene glycol (API/PEG) solid dispersions has been investigated using wide-angle X-ray diffraction (XRD) and Raman spectroscopy. APIs with different physicochemical properties and crystallization tendency were employed to form solid dispersions with PEG. The
Nathalie Ferreira Silva De Melo et al.
Journal of pharmaceutical sciences, 101(3), 1157-1165 (2011-11-23)
This paper describes a comparison of different polymeric nanocapsules (NCs) prepared with the polymers poly(D,L-lactide-co-glycolide), poly(L-lactide) (PLA), and poly(ε-caprolactone) and used as carrier systems for the local anesthetic (LA) benzocaine (BZC). The systems were characterized and their anesthetic activities investigated.
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