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
PHR1095
Caffeine Melting Point Standard
Pharmaceutical Secondary Standard; Certified Reference Material
Synonym(s):
Caffeine, 1,3,7-Trimethylxanthine
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
1 g | Check Cart for Availability | $103.00 $87.55 |
About This Item
$87.55
List Price$103.00Save 15%Quality Segment
grade
certified reference material, pharmaceutical secondary standard
agency
traceable to USP 1086006
API family
caffeine
CofA
current certificate can be downloaded
technique(s)
gas chromatography (GC): suitable, HPLC: suitable
mp
~Approximately 237 °C, 234-236.5 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-30°C
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
Gene Information
human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140)
General description
Caffeine is mainly used as a diuretic and as a stimulant to central nervous system, heart rate, and respiration.
Application
Analysis Note
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| description Pharmaceutical Secondary Standard; Certified Reference Material | description United States Pharmacopeia (USP) Reference Standard | description analytical standard | description analytical standard, 1.0 mg/mL in methanol |
| technique(s) gas chromatography (GC): suitable, HPLC: suitable | technique(s) - | technique(s) - | technique(s) gas chromatography (GC): suitable, HPLC: suitable |
| application(s) pharmaceutical (small molecule) | application(s) pharmaceutical (small molecule) | application(s) food and beverages | application(s) pharmaceutical (small molecule) |
| format neat | format neat | format neat | format single component solution |
| Quality Level 300 | Quality Level - | Quality Level 100 | Quality Level 200 |
| grade pharmaceutical secondary standard, certified reference material | grade pharmaceutical primary standard | grade analytical standard | grade analytical standard |
| storage temp. 2-30°C | storage temp. - | storage temp. - | storage temp. 2-8°C |
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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
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