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
30070
Cysteamine
≥98.0% (RT)
Synonym(s):
β-Mercaptoethylamine, 2-Aminoethanethiol, 2-Mercaptoethylamine, Decarboxycysteine, MEA, Thioethanolamine
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Product Name
Cysteamine, ≥98.0% (RT)
InChI key
UFULAYFCSOUIOV-UHFFFAOYSA-N
InChI
1S/C2H7NS/c3-1-2-4/h4H,1-3H2
SMILES string
NCCS
assay
≥98.0% (RT)
storage temp.
2-8°C
Quality Level
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Related Categories
1 of 4
This Item | M9768 | 30080 | 15014 |
|---|---|---|---|
| assay ≥98.0% (RT) | assay ~95% | assay ≥97.0% (RT) | assay ≥99% |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. - |
Application
- in the preparation of cysteamine modified gold nanoparticles (AuNP)[1]
- in the fabrication of SU-8 microrods, where in, the amine group of cysteamine reacts with the unreacted epoxide rings present on the surface of the particles, thereby opening it and forming a covalent bond[2]
- to enhance in vitro development of porcine oocytes matured and fertilized in vitro[3]
- in a study to demonstrate the depletion effect of cysteamine on cystinotic leucocyte granular fractions of cystine by disulphide interchange[4]
- as a radioprotector[5]
- to administer subcutaneously in rats to study its blocking effect on somatostatin secretion without modifying the pancreatic insulin or glucagon content [6]
- as a scavenger in electrophoretic gels (acetic acid/urea gels)[7]
Biochem/physiol Actions
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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