This product is not of standard grade and is therefore not recommended for the preparation of standards for HPLC analysis. For HPLC standards, it is crucial to use high-purity, standard-grade materials to ensure accurate and reliable results. Using non-standard grade products may lead to inconsistencies and inaccuracies in the analysis.
17814
Lactose
tested according to Ph. Eur.
Oferta disponible
Sinónimos:
Lactosum
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| Talla/SKU | Disponibilidad | Precio |
|---|---|---|
1 kg | Comprobar disponibilidad del carrito | $245.000 |
Acerca de este artículo
Fórmula empírica (notación de Hill):
C12H22O11
Número CAS:
Peso molecular:
342.30
UNSPSC Code:
12352201
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-559-2
Beilstein/REAXYS Number:
93796
MDL number:
Servicio técnico
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tested according to Ph. Eur.
form
solid
SMILES string
OC[C@@H](O)[C@@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O
InChI
1S/C12H22O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-/m0/s1
InChI key
DKXNBNKWCZZMJT-JVCRWLNRSA-N
Application
- Galectin-receptor interaction: a key player in liver fibrosis induced by Schistosoma japonicum infection.: This study explores the impact of galectin-receptor interactions on liver fibrosis caused by Schistosoma japonicum, potentially impacting lactose metabolism pathways involved in liver health (Huang et al., 2024).
Other Notes
To gain a comprehensive understanding of our extensive range of Disaccharides for your research, we encourage you to visit our Carbohydrates Category page.
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Este artículo | |||
|---|---|---|---|
| description tested according to Ph. Eur. | description Pharmaceutical Secondary Standard; Certified Reference Material | description European Pharmacopoeia (EP) Reference Standard | description tested according to Ph. Eur. |
| Quality Level 200, 100 | Quality Level 300 | Quality Level - | Quality Level 200 |
| form solid | form - | form - | form solid |
| agency tested according to Ph. Eur. | agency traceable to USP 1356676, traceable to Ph. Eur. A1206000 | agency - | agency tested according to Ph. Eur. |
Clase de almacenamiento
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Può essere usato per la preparazione di standard per analisi HPLC?
1 answer-
Helpful?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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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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What is the dielectric constant ( relative permittivity) of this excipient?
1 answer-
The dielectric constant of this product is not tested. A paper provides the real and imaginary parts of the alpha-lactose dielectric constant in the frequency range of 0.45–0.6 THz, which can serve as a reference: https://www.mdpi.com/2304-6732/9/11/848
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Does the supporting documentation (SDS, CoA, or CoO) provide the actual purity value for the product, despite meeting the European Pharmacopoeia quality standards?
1 answer-
Purity testing has not been conducted. Other Lactose anhydrous products were checked and none of them are tested for purity. There are lactose monohydrate products that are tested for purity by HPLC. Purity is simply not a specification for product 17814. Since there is no specification for purity, no testing is performed for purity.
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