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
C7602
L-Cystine
98.5-101.0%, suitable for cell culture, BioXtra, non-animal source
Sinónimos:
(R,R)-3,3′-Dithiobis(2-aminopropionic acid)
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Acerca de este artículo
Nombre del producto
L-Cystine, from non-animal source, meets EP testing specifications, suitable for cell culture, 98.5-101.0%
biological source
non-animal source
Quality Segment
agency
meets EP testing specifications
product line
BioXtra
assay
98.5-101.0%
form
powder
technique(s)
cell culture | mammalian: suitable
impurities
endotoxin, tested
color
white to off-white
mp
>240 °C (dec.) (lit.)
solubility
1 M HCl: 100 mg/mL
application(s)
peptide synthesis
SMILES string
N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
InChI
1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
InChI key
LEVWYRKDKASIDU-IMJSIDKUSA-N
Application
L-Cystine has been used as a supplement in oocyte culture media to improve oocyte maturation and parthenogenesis of embryonic development.
Biochem/physiol Actions
1 of 1
Este artículo | |||
|---|---|---|---|
| form powder | form crystalline | form powder or crystals | form - |
| technique(s) cell culture | mammalian: suitable | technique(s) - | technique(s) - | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| assay 98.5-101.0% | assay ≥98% (TLC) | assay ≥99.7% (TLC) | assay - |
| product line BioXtra | product line - | product line - | product line TraceCERT® |
| solubility 1 M HCl: 100 mg/mL | solubility 1 M HCl: 50 mg/mL, clear, colorless to faintly yellow | solubility 1 M HCl: 0.5 g/10 mL, clear, colorless | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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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