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
S1270
β-Sitosterol
synthetic, ≥95%
Synonym(s):
beta-Sitosterol, α-Dihydrofucosterol, 22,23-Dihydrostigmasterol, 24α-Ethylcholesterol, 5-Stigmasten-3β-ol
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| Size/SKU | Availability | Price |
|---|
About This Item
biological source
synthetic
Quality Segment
assay
≥95%
form
powder
mp
136-140 °C (lit.)
functional group
hydroxyl
shipped in
ambient
storage temp.
−20°C
SMILES string
O[C@H](C1)CC[C@@]2(C)C1=CC[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])CC[C@]4([H])[C@H](C)CC[C@H](C(C)C)CC
InChI
1S/C29H50O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h10,19-21,23-27,30H,7-9,11-18H2,1-6H3/t20-,21-,23+,24+,25-,26+,27+,28+,29-/m1/s1
InChI key
KZJWDPNRJALLNS-VJSFXXLFSA-N
Application
- to study its ability to improve the suitability of two pollens
- as a standard in the determination of sterol purities
- as a standard in quantitative genetic analysis
- as a standard in the estimation of plant sterols
Biochem/physiol Actions
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥95% | assay ≥96% | assay ≥70% | assay ≥90.0% (GC) |
| functional group hydroxyl | functional group hydroxyl | functional group hydroxyl | functional group - |
| biological source synthetic | biological source soybean | biological source plant | biological source - |
| form powder | form powder | form powder | form solid |
| storage temp. −20°C | storage temp. −20°C | storage temp. - | storage temp. 2-8°C |
| shipped in ambient | shipped in ambient | shipped in - | shipped in - |
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Storage Class
11 - Combustible Solids
wgk
WGK 3
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?
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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is it HPLC grade?
1 answer-
This product is not an HPLC grade and is intended for general research use. The purity is determined by GC.
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