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
A4377
S-(5′-Adenosyl)-L-methionine iodide
≥80% (spectrophotometric assay), suitable for cell culture
Synonym(s):
AdoMet, SAM
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About This Item
Product Name
S-(5′-Adenosyl)-L-methionine iodide, ≥80% (HPLC), ≥80% (spectrophotometric assay)
Quality Segment
assay
≥80% (HPLC), ≥80% (spectrophotometric assay)
form
powder
technique(s)
cell culture | mammalian: suitable
color
white to off-white
solubility
H2O: 100 mg/mL
shipped in
dry ice
storage temp.
−20°C
SMILES string
[I-].C[S+](CC[C@H](N)C(O)=O)C[C@H]1O[C@H]([C@H](O)[C@@H]1O)n2cnc3c(N)ncnc23
InChI
1S/C15H22N6O5S.HI/c1-27(3-2-7(16)15(24)25)4-8-10(22)11(23)14(26-8)21-6-20-9-12(17)18-5-19-13(9)21;/h5-8,10-11,14,22-23H,2-4,16H2,1H3,(H2-,17,18,19,24,25);1H/t7-,8+,10+,11+,14+,27?;/m0./s1
InChI key
XQMWYLXPEGFCFT-XKGORWRGSA-N
Application
Biochem/physiol Actions
Analysis Note
Disclaimer
1 of 1
This Item | |||
|---|---|---|---|
| form powder | form powder | form powder | form lyophilized powder |
| assay ≥80% (HPLC), ≥80% (spectrophotometric assay) | assay ≥80% (HPLC), ≥80% (spectrophotometric assay) | assay ≥75% | assay >90% (SDS-PAGE) |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| Quality Level 200 | Quality Level 300 | Quality Level 300 | Quality Level 100 |
| color white to off-white | color white to off-white | color white to off-white | color - |
| solubility H2O: 100 mg/mL | solubility H2O: 100 mg/mL | solubility H2O: 100 mg/mL | solubility - |
signalword
Warning
hcodes
Hazard Classifications
Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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We are looking for one carbon metabolites in our serum samples, SAM is one of them. In our lab, we have S-(5′-Adenosyl)-L-methionine iodide (A4377). Can this chemical be used as one of the standards for the derivatisation-based GC-MS analysis?
1 answer-
This product is not a standard and has not been tested for suitability for GC derivatization. Unfortunately, there is no SAM standard available in the product catalog.
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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