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Merck

C0750

Caffeine

powder, ReagentPlus®

Synonym(s):

Guaranine, Methyltheobromine, 1,3,7-Trimethylxanthine

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About This Item

Empirical Formula (Hill Notation):
C8H10N4O2
CAS Number:
Molecular Weight:
194.19
Beilstein:
17705
EC Number:
MDL number:
UNSPSC Code:
12352210
PubChem Substance ID:
NACRES:
NA.21

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Quality Level

product line

ReagentPlus®

form

powder

mp

234-236.5 °C (lit.)

solubility

H2O: 15 mg/mL

SMILES string

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

InChI key

RYYVLZVUVIJVGH-UHFFFAOYSA-N

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1 of 4

This Item
C7731C-051C6035
mp

234-236.5 °C (lit.)

mp

234-236.5 °C (lit.)

mp

-

mp

-

product line

ReagentPlus®

product line

-

product line

-

product line

-

form

powder

form

crystalline, powder

form

liquid

form

-

solubility

H2O: 15 mg/mL

solubility

H2O: soluble 18.7 g/L at 16 °C

solubility

-

solubility

-

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

200

Gene Information

human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140), PDE4B(5142), PRKAR1A(5573), PRKAR1AP(5574), PRKAR1B(5575), PRKAR2A(5576), PRKAR2B(5577)
mouse ... Adora2b(11541)
rat ... Adora1(29290), Adora2a(25369)

Gene Information

human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140), PDE4B(5142)
mouse ... Adora2b(11541)
rat ... Adora1(29290), Adora2a(25369)

Gene Information

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

Gene Information

human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140)
mouse ... Adora2b(11541)
rat ... Adora1(29290), Adora2a(25369)

General description

Caffeine is a widely ingested pharmacologically active substance and is known to affect the central nervous system. It belongs to the class of methylxanthines.[1] It is a naturally occurring alkaloid found in coffee, cocoa and other plants. Caffeine might be associated with osteoporosis, cardiovascular risk, arrhythmia and gastrointestinal disturbances.[2] Caffeine is used to treat orthostatic hypotension,[3] bronchopulmonary dysplasia and apnea of prematurity (AOP).[4]

Application

Caffeine has been used:
  • to study its impact on the fluorescence of Petunia nuclei[5]
  • as a stimulant to induce c-fos expression in rodents[6]
  • as a component of defined media for the development of bovine oocytes in vitro[7]

Biochem/physiol Actions

Caffeine is a natural stimulant that is most commonly found in coffee, tea and various other drinks. It is known for its effect on the central nervous system. It is also associated with insomnia, increased heart rate, digestive issues, creating anxiety and jitteriness. Caffeine is also associated with withdrawal symptoms like headaches, fatigue, irritability.

Features and Benefits

High purity product that can be used readily for HPLC applications along with other research applications.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Keep tightly sealed.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

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Effects of caffeine and chlorogenic acid on propidium iodide accessibility to DNA: consequences on genome size evaluation in coffee tree
Noirot M, et al.
Annals of Botany, 92(2), 259-264 (2003)
A simple method for immunohistochemical staining of zebrafish brain sections for c-fos protein expression
Chatterjee D, et al.
Zebrafish, 12(6), 414-420 (2015)
Orthostatic hypotension in the elderly: diagnosis and treatment
Gupta V and Lipsitz LA
The American Journal of Medicine, 120(10), 841-847 (2007)
Apnea of prematurity: from cause to treatment
Zhao J, et al.
European Journal of Pediatrics, 170(9), 1097-1105 (2011)
Metabolic effects of spices, teas, and caffeine
Westerterp-Plantenga M, et al.
Physiology & Behavior, 89(1), 85-91 (2006)

Questions

1–4 of 4 Questions  
  1. Is this cell culture grade caffeine?

    1 answer
    1. This product has not been tested for use in cell culture. Currently, a cell culture tested caffeine product is not available. However, this item has been used successfully in cell culture applications by other researchers. Please refer to the PEER REVIEWED PAPERS section above for various publications. Please see the link below to review one example:
      https://pmc.ncbi.nlm.nih.gov/articles/PMC4216694/

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  4. How do I make a stock solution of caffeine catalog number C0750?

    1 answer
    1. The stock solutions of caffeine are prepared by dissolving the appropriate amounts of caffeine in distilled water, ethanol, methanol, or chloroform. This product is tested for solubility at 15 mg/mL in water. Please note that the choice of solvent and concentration would depend on the specific application requirements.

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