Skip to Content
Merck
All Photos(1)

Key Documents

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

Sign Into View Organizational & Contract Pricing


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

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

Looking for similar products? Visit Product Comparison Guide

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

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

[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
Theodosios D Filippatos et al.
Drug safety, 31(1), 53-65 (2007-12-22)
Orlistat, an anti-obesity drug, is a potent and specific inhibitor of intestinal lipases. In light of the recent US FDA approval of the over-the-counter sale of orlistat (60 mg three times daily), clinicians need to be aware that its use
J-P Chaput et al.
Mini reviews in medicinal chemistry, 7(1), 3-10 (2007-02-03)
The currently available drugs for long-term treatment of obesity are sibutramine and orlistat. They have been shown to be able to induce significant weight loss, with important co-morbidity reduction, allowing the maintenance of reduced body weight for at least 1-2
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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service