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41019

Supelco

Schmelzpunktstandard 235-237°C

analytical standard

Synonyme(s) :

Caféine, 1,3,7-triméthylxanthine

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About This Item

Formule empirique (notation de Hill):
C8H10N4O2
Numéro CAS:
58-08-2
Poids moléculaire :
194.19
Numéro Beilstein :
17705
Numéro CE :
200-362-1
Numéro MDL:
MFCD00005758
Code UNSPSC :
12352210
ID de substance PubChem :
329756046
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

100

Durée de conservation

limited shelf life, expiry date on the label

Pf

234-236.5 °C (lit.)
235-237 °C (±0.3°C)

Application(s)

food and beverages
pharmaceutical

Format

neat

Chaîne SMILES 

CN1C(=O)N(C)c2ncn(C)c2C1=O

InChI

1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3

Clé InChI

RYYVLZVUVIJVGH-UHFFFAOYSA-N

Informations sur le gène

human ... ADORA1(134) , ADORA2A(135) , ADORA2B(136) , ADORA3(140)

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Description générale

Melting point standard 235-237 °C, caffeine is useful to calibrate melting point instruments, in the thermodynamic mode of measurement. The value of its melting point is determined with an average of 6 to 12 measurements using a Büchi B-545 instrument that is calibrated against primary standards.

Application

Caffeine melting point standard 235-237 °C finds its use in the characterization of pure chemicals and pharmaceutical compounds.

Caractéristiques et avantages

  • Melting point calibration standard traceable to primary standards (LGC, London)
  • Grade: Analytical Standard
  • Standard deviation up to ± 0.3 °C
  • Provided with certificates of analysis and safety data sheet

Produits recommandés

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.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number

Désolés, nous n'avons pas de COA pour ce produit disponible en ligne pour le moment.

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Louise A Horrigan et al.
Pharmacology & therapeutics, 111(3), 877-892 (2006-03-17)
Caffeine is a member of the methylxanthine family of drugs, and is the most widely consumed behaviourally active substance in the western world. This article is focused on the impact of caffeine on immune function. In this regard, a number
Jonathan M Hodgson et al.
The American journal of clinical nutrition, 97(5), 943-950 (2013-04-05)
Measures of blood pressure variation have been associated with cardiovascular disease and related outcomes. The regular consumption of black tea can lower blood pressure, but its effects on blood pressure variation have yet to be investigated. We aimed to assess
Nicolas Bousette et al.
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Calnexin (CNX) is an endoplasmic reticulum (ER) quality control chaperone that has been implicated in ER stress. ER stress is a prominent pathological feature of various pathologic conditions, including cardiovascular diseases. However, the role of CNX and ER stress has
Jiangnan Peng et al.
Journal of medicinal chemistry, 53(1), 61-76 (2009-12-19)
Structure-activity relationship studies were carried out by chemical modification of manzamine A (1), 8-hydroxymanzamine A (2), manzamine F (14), and ircinal isolated from the sponge Acanthostrongylophora. The derived analogues were evaluated for antimalarial, antimicrobial, and antineuroinflammatory activities. Several modified products
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American journal of physiology. Lung cellular and molecular physiology, 306(1), L101-L109 (2013-10-29)
Factors positively influencing surfactant homeostasis in general and surfactant protein B (SP-B) expression in particular are considered of clinical importance regarding an improvement of lung function in preterm infants. The objective of this study was to identify effects of physiological
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