Merck
  • O4139
All Photos(4)

O4139

Sigma-Aldrich

Orlistat

≥98%, solid

Synonym(s):
(−)-Tetrahydrolipstatin, N-Formyl-L-leucine (1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester, Ro-18-0647
Empirical Formula (Hill Notation):
C29H53NO5
CAS Number:
Molecular Weight:
495.73
MDL number:
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

Assay

≥98%

form

solid

color

white

mp

<50 °C

solubility

DMSO: 19 mg/mL

originator

Roche

storage temp.

2-8°C

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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1 of 4

This Item
PHR14451478800SML0972
Orlistat &#8805;98%, solid

Sigma-Aldrich

O4139

Orlistat

Orlistat Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1445

Orlistat

Orlistat United States Pharmacopeia (USP) Reference Standard

USP

1478800

Orlistat

Sigma-Aldrich

Sigma-Aldrich

SML0972

ORM-10103

assay

≥98%

assay

-

assay

-

assay

≥98% (HPLC)

form

solid

form

-

form

-

form

powder

color

white

color

-

color

-

color

white to light brown

solubility

DMSO: 19 mg/mL

solubility

-

solubility

-

solubility

DMSO: 20 mg/mL, clear

originator

Roche

originator

-

originator

-

originator

-

storage temp.

2-8°C

storage temp.

2-30°C

storage temp.

-

storage temp.

room temp

Application

Orlistat has been used as an inhibitor:
  • of fatty acid synthase in long-term estrogen-deprived (LTED) variant cell lines
  • of lipase in screening lipase inhibition by raspberry extract
  • in in vitro pancreatic lipase activity assay

Biochem/physiol Actions

Orlistat impairs intestinal fat absorption and is effective in weight management. It is regarded as a safe drug for treating obesity. It delays the progression of type 2 diabetes mellitus especially in obese and improves glycemic parameters. Long term usage of orlistat results in improved weight reduction and it may not contribute in colorectal carcinogenesis.
Orlistat, used in obesity research, is a pancreatic lipase inhibitor that acts locally in the gastrointestinal tract to inhibit lipase.

Features and Benefits

This compound was developed by Roche. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Other Notes

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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