추천 제품
Grade
certified reference material
Quality Level
양식
liquid
특징
Snap-N-Spike®/Snap-N-Shoot®
포장
ampule of 1 mL
제조업체/상표
Cerilliant®
농도
1.0 mg/mL in methanol
기술
gas chromatography (GC): suitable
liquid chromatography (LC): suitable
응용 분야
pharmaceutical (small molecule)
형식
single component solution
저장 온도
room temp
SMILES string
CN1C(=O)Nc2ncn(C)c2C1=O
InChI
1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)11(2)7(13)9-5/h3H,1-2H3,(H,9,13)
InChI key
QUNWUDVFRNGTCO-UHFFFAOYSA-N
일반 설명
Paraxanthine is a major plasma and urinary metabolite of caffeine. This xanthine derivative is, along with caffeine, a central nervous system stimulant. This Snap-N-Spike® reference solution is applicable for caffeine quantitation in clinical toxicology or urine drug testing by LC-MS/MS or GC/MS.
법적 정보
CERILLIANT is a registered trademark of Merck KGaA, Darmstadt, Germany
Snap-N-Shoot is a registered trademark of Cerilliant Corporation
Snap-N-Spike is a registered trademark of Merck KGaA, Darmstadt, Germany
관련 제품
제품 번호
설명
가격
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
표적 기관
Eyes,Central nervous system
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point (°F)
49.5 °F - closed cup
Flash Point (°C)
9.7 °C - closed cup
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이미 열람한 고객
Masashi Okuro et al.
Sleep, 33(7), 930-942 (2010-07-10)
Caffeine, an adenosine A1 and A2a receptor antagonist, is a widely consumed stimulant and also used for the treatment of hypersomnia; however, the wake-promoting potency of caffeine is often not strong enough, and high doses may induce side effects. Caffeine
Mark R Youngberg et al.
Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 7(2), 196-203 (2011-04-22)
To explore the relationship between plasma concentrations of caffeine and subjective and polysomnographic measures of sleep in both good sleeper controls (GSC) and individuals with primary insomnia (PI), following the consumption of low-moderate quantities of caffeine in the home environment.
S Katherine Laughon et al.
American journal of perinatology, 28(7), 571-578 (2011-03-08)
Outside pregnancy, acute caffeine consumption is associated with insulin resistance. We investigated if during pregnancy plasma concentrations of caffeine and its metabolite, paraxanthine, were associated with insulin resistance. Caffeine, paraxanthine, glucose, and insulin were measured and insulin resistance estimated by
Vidya Perera et al.
The Journal of pharmacy and pharmacology, 63(9), 1161-1168 (2011-08-11)
To investigate the utility of metrics of CYP1A2 activity using caffeine as a probe, and saliva and plasma sampling with or without a 24-h caffeine abstinence. This was a cross-over pharmacokinetic study in 30 healthy male subjects who received a
Rebeca Pinhancos et al.
Journal of mass spectrometry : JMS, 46(11), 1175-1181 (2011-11-30)
The presence of pharmaceuticals in drinking water is an emerging environmental concern. In most environmental testing laboratories, LC-MS/MS assays based on selected reaction monitoring are used as part of a battery of tests used to assure water quality. Although LC-MS/MS
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