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Merck

32301

Sigma-Aldrich

乙酸铵

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥98%

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国内现货,预计发货时间2025年4月09日详情


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100 G
$76.80
500 G
$249.00
1 KG
$293.00
2.5 KG
$460.00
20 KG
$1,050.00

About This Item

线性分子式:
CH3CO2NH4
CAS号:
分子量:
77.08
Beilstein:
4186741
EC 号:
MDL编号:
UNSPSC代码:
12352300
eCl@ss:
39021908
PubChem化学物质编号:
NACRES:
NA.21

$76.80


国内现货,预计发货时间2025年4月09日详情


获取大包装报价

等级

ACS reagent
puriss. p.a.

质量水平

Agency

reag. Ph. Eur.

蒸汽压

<0.001 hPa

方案

≥98%

表单

solid

杂质

≤0.005% KMnO4 red. matter (as O)
≤2% water (Karl Fischer)
≤5 mg/kg heavy metals (as Pb)

灼烧残渣

≤0.01%

pH值(酸碱度)

6.7-7.3 (25 °C, 5% in water)

mp

110-112 °C (dec.) (lit.)

痕量阴离子

chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤10 mg/kg
sulfate (SO42-): ≤10 mg/kg

痕量阳离子

Ca: ≤10 ppm
Cd: ≤2 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤2 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Mg: ≤2 ppm
Mn: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤2 ppm
Zn: ≤2 ppm

SMILES字符串

N.CC(O)=O

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

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相关类别

一般描述

乙酸铵为无色吸湿性固体。可由冰醋酸与氨水或碳酸铵反应制得。[1]它是 Pd/C 催化苄基醚氢解反应的潜在抑制剂。[2]

应用

在流动相中使用乙酸铵 HPLC 法测定 e zetimibe 及其代谢产物。[3]它可用于制备苯并噻啶唑和维甲胺唑。[4]

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Anima Ghosal et al.
Drug metabolism and disposition: the biological fate of chemicals, 32(3), 314-320 (2004-02-24)
Ezetimibe [1-(4-fluorophenyl)-3(R)-[3-(4-fluorophenyl)-3(S)-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone] (Zetia; Schering-Plough, Kenilworth, NJ) is the first in a new class of cholesterol-lowering agents known as cholesterol absorption inhibitors. The objective of this study was to identify the isoform(s) of human liver and intestinal UDP-glucuronosyltransferase (UGT) enzymes responsible
Selective inhibition of benzyl ether hydrogenolysis with Pd/C due to the presence of ammonia, pyridine or ammonium acetate.
Sajiki H.
Tetrahedron Letters, 36(20), 3465-3468 (1995)
Reactions of phenanthraquinone and retenequinone with aldehydes and ammonium acetate in acetic acid solution1.
Steck EA and Day AR.
Journal of the American Chemical Society, 65(3), 452-456 (1943)
M Athar Masood et al.
Basic & clinical pharmacology & toxicology, 127(6), 533-550 (2020-11-03)
Urine drug testing (UDT) is an important analytical/bio-analytical technique that has inevitably become an integral and vital part of a testing programme for diagnostic purposes. This manuscript presents a tailor-made LC-MS/MS quantitative assay method development and validation for a custom

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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/449/386/product-dating-information-mk.pdf

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