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Melting point standard 235-237°C

analytical standard

Synonim(y):

Caffeine, 1,3,7-Trimethylxanthine

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About This Item

Wzór empiryczny (zapis Hilla):
C8H10N4O2
Numer CAS:
58-08-2
Masa cząsteczkowa:
194.19
Beilstein:
17705
Numer WE:
200-362-1
Numer MDL:
MFCD00005758
Kod UNSPSC:
12352210
Identyfikator substancji w PubChem:
329756046
NACRES:
NA.24

klasa czystości

analytical standard

Poziom jakości

100

okres trwałości

limited shelf life, expiry date on the label

mp

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

Zastosowanie

food and beverages
pharmaceutical

format

neat

ciąg 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

Klucz InChI

RYYVLZVUVIJVGH-UHFFFAOYSA-N

informacje o genach

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

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Opis ogólny

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.

Zastosowanie

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

Cechy i korzyści

  • 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

Polecane produkty

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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Piktogramy

Exclamation mark
GHS07

Hasło ostrzegawcze

Warning

Zwroty wskazujące rodzaj zagrożenia

H302

Zwroty wskazujące środki ostrożności

P264 - P270 - P301 + P312 - P501

Klasyfikacja zagrożeń

Acute Tox. 4 Oral

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

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

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Certyfikaty analizy (CoA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

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
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
Nicolas Bousette et al.
Journal of cellular physiology, 229(3), 374-383 (2013-09-17)
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
Markus Fehrholz et al.
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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