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Merck
CN

1478800

USP

Orlistat

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(−)-Tetrahydrolipstatin, N-Formyl-L-leucine (1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester, Ro-18-0647

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About This Item

Empirical Formula (Hill Notation):
C29H53NO5
CAS Number:
Molecular Weight:
495.73
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
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grade

pharmaceutical primary standard

API family

orlistat

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CCCCCCCCCCC[C@@H](C[C@@H]1OC(=O)[C@H]1CCCCCC)OC(=O)[C@H](CC(C)C)NC=O

InChI

1S/C29H53NO5/c1-5-7-9-11-12-13-14-15-16-18-24(34-29(33)26(30-22-31)20-23(3)4)21-27-25(28(32)35-27)19-17-10-8-6-2/h22-27H,5-21H2,1-4H3,(H,30,31)/t24-,25-,26-,27-/m0/s1

InChI key

AHLBNYSZXLDEJQ-FWEHEUNISA-N

Gene Information

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Orlistat USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Biochem/physiol Actions

Orlistat, used in obesity research, is a pancreatic lipase inhibitor that acts locally in the gastrointestinal tract to inhibit lipase.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.
Solution is not completely clear, small particles may remain floating.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Certificates of Analysis (COA)

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Peter Hertzman
PharmacoEconomics, 23(10), 1007-1020 (2005-10-21)
To calculate the cost effectiveness (from the Swedish healthcare perspective) of orlistat plus diet for an obese and overweight population in a 1-year weight-management responder programme versus a 1-year weight-management programme based on diet only. As a reference, orlistat plus
K Johansson et al.
Obesity reviews : an official journal of the International Association for the Study of Obesity, 11(11), 777-791 (2009-12-23)
Previous meta-analyses investigating blood pressure effects of anti-obesity drugs have included studies using non-licensed doses, but not data from head-to-head studies. Furthermore, although diabetes is an important comorbidity in obesity, variation in blood pressure effects across diabetes status has not
[Pharmacological sheet. Orlistat, oral administration (Xenical, Alli). ].
Journal de pharmacie de Belgique, (2)(2), 67-68 (2009-09-11)
Belinda S Drew et al.
Vascular health and risk management, 3(6), 817-821 (2008-01-19)
Over the past 20 years obesity has become a worldwide concern of frightening proportion. The World Health Organization estimates that there are over 400 million obese and over 1.6 billion overweight adults, a figure which is projected to almost double
E García Díaz et al.
Nutricion hospitalaria, 26(3), 451-457 (2011-09-06)
The prevalence of obesity, a serious public health problem, is increasing among teenagers and thus also increases cardiovascular morbidity and mortality in adulthood. To provide a systematic review of the best evidence about the effect of sibutramine and orlistat in

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