PHR1056
Trimethoprim
Pharmaceutical Secondary Standard; Certified Reference Material
동의어(들):
2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine, NSC 106568
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크기 선택
제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
C14H18N4O3
CAS 번호:
Molecular Weight:
290.32
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
212-006-2
Beilstein/REAXYS Number:
625127
MDL number:
InChI
1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)
InChI key
IEDVJHCEMCRBQM-UHFFFAOYSA-N
SMILES string
COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
grade
certified reference material, pharmaceutical secondary standard
agency
traceable to Ph. Eur. T220000, traceable to USP 1692505
API family
trimethoprim
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
Quality Level
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General description
Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to in-house working standards. Trimethoprim is a synthetic antibacterial agent active in vitro against most aerobic gram-negative and gram-positive bacteria. Its mode of action involves inhibition of dihydrofolate reductase, an enzyme involved in catalyzing the reduction of dihydrofolate to tetrahydrofolate in both microbial and eukaryotic cells.
Application
Primarily used as an antibacterial agent. Dihydrofolate reductase inhibitor with selectivity for the prokaryote enzyme.
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.
Trimethoprim may be used as a pharmaceutical reference standard for the determination of the analyte in pharmaceutical formulations by chromatography and visible and UV spectrophotometry.
Analysis Note
These secondary standards offer multi-traceability to the USP and EP (PhEur) 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.
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.
To see an example of a Certificate of Analysis for this material enter LRAA7172 in the slot below. This is an example certificate only and may not be the lot that you receive.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Repr. 2
저장 등급
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
Determination of sulfamethoxazole and trimethoprim in pharmaceuticals by visible and UV spectrophotometry
Shamsa F and Amani L
Iranian Journal of Pharmaceutical Research : IJPR, 537(1-2), 31-36 (2010)
Simultaneous LC determination of trimethoprim and sulphamethoxazole in pharmaceutical formulations
Akay C and Ozkan SA
Journal of Pharmaceutical and Biomedical Analysis, 30(4), 1207-1213 (2002)
Comparison of trimethoprim molecularly imprinted polymers in bulk and in sphere as the sorbent for solid-phase extraction and extraction of trimethoprim from human urine and pharmaceutical tablet and their determination by high-performance liquid chromatography
Hu SG, et al.
Analytica Chimica Acta, 537(1-2), 215-222 (2005)
Trimethoprim resistance.
Huovinen P
Antimicrobial Agents and Chemotherapy, 31(10), 1451-1456 (1987)
Ivan Senta et al.
Water research, 47(2), 705-714 (2012-11-29)
Comprehensive study on the occurrence and fate of several classes of antimicrobials, including sulfonamides, trimethoprim, fluoroquinolones and macrolides, in Croatian municipal wastewaters was performed using an integrated approach, which comprised analysis of both dissolved and particulate fractions. A nation-wide screening
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