CAS 851199-59-2|Linaclotide

Introduction:Basic information about CAS 851199-59-2|Linaclotide, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameLinaclotide
CAS Number851199-59-2Molecular Weight1526.736
Density1.6±0.1 g/cm3Boiling Point2045.0±65.0 °C at 760 mmHg
Molecular FormulaC59H79N15O21S6Melting Point/
MSDS/Flash Point1190.5±34.3 °C

Names

Namelinaclotide
SynonymMore Synonyms

Linaclotide BiologicalActivity

DescriptionLinaclotide is a potent and selective guanylate cyclase C agonist; developed for the treatment of constipation-predominant irritable bowel syndrome (IBS-C) and chronic constipation.
Related CatalogSignaling Pathways >>GPCR/G Protein >>Guanylate CyclaseResearch Areas >>Others
In VitroLinaclotide inhibits in vitro [125I]-STa binding to intestinal mucosal membranes from wt mice in a concentration-dependent manner. In contrast, [125I]-STa binding to these membranes from GC-C null mice is significantly decreased. After incubation in vitro in jejunal fluid for 30 min, linaclotide is completely degraded[1]. Linaclotide acts on guanylate cyclase-C receptors on the luminal membrane to increase chloride and bicarbonate secretions into the intestine and inhibit the absorption of sodium ions, thus increasing the secretion of water into the lumen and improving defecation; the drug is minimally absorbed into the systemic circulation[2].
In VivoPharmacokinetic analysis shows very low oral bioavailability (0.10%). In intestinal secretion and transit models, linaclotide exhibits significant pharmacological effects in wt, but not in GC-C null mice: induction of increased fluid secretion into surgically ligated jejunal loops is accompanied by the secretion of elevated levels of cyclic guanosine-3',5-monophosphate and accelerated gastrointestinal transit[1]. Linaclotide significantly increases weekly spontaneous bowel movements and complete spontaneous bowel movements (CSBMs) while reducing abdominal pain in patients with chronic constipation[2].
Animal AdminMice: To determine oral bioavailability, three groups (n=3) of female CD-1 mice receive linaclotide (8 mg/kg) intravenously (i.v.), while two groups (n=3) receive linaclotide (8 mg/kg) by gavage (p.o.). Blood is allowed to clot for 5 min, centrifuged at 13,000×g for 3 min, and the serum is collected and stored at −80 °C until sample preparation and analysis by LC-MS/MS[1].
References

[1]. Bryant AP, et al. Linaclotide is a potent and selective guanylate cyclase C agonist that elicits pharmacological effects locally in the gastrointestinal tract. Life Sci. 2010 May 8;86(19-20):760-5.

[2]. Love BL, et al. Linaclotide: a novel agent for chronic constipation and irritable bowel syndrome. Am J Health Syst Pharm. 2014 Jul 1;71(13):1081-91.

Chemical & Physical Properties

Density1.6±0.1 g/cm3
Boiling Point2045.0±65.0 °C at 760 mmHg
Molecular FormulaC59H79N15O21S6
Molecular Weight1526.736
Flash Point1190.5±34.3 °C
Exact Mass1525.389893
PSA725.71000
LogP-5.84
Vapour Pressure0.0±0.3 mmHg at 25°C
Index of Refraction1.712
InChIKeyKXGCNMMJRFDFNR-IURAOCFRSA-N
SMILESCC1NC(=O)C2CCCN2C(=O)C(CC(N)=O)NC(=O)C2CSSCC(N)C(=O)NC3CSSCC(NC1=O)C(=O)NC(C(C)O)C(=O)NCC(=O)NC(C(=O)NC(Cc1ccc(O)cc1)C(=O)O)CSSCC(NC(=O)C(Cc1ccc(O)cc1)NC(=O)C(CCC(=O)O)NC3=O)C(=O)N2

Synonyms

Linzess
Linaelotide Acetate
L-Tyrosine, L-cysteinyl-L-cysteinyl-L-α-glutamyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-, cyclic (1→6),(2→10),(5→13)-tris(disulfide)
L-cysteinyl-L-cysteinyl-L-α-glutamyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-L-tyrosine cyclic (1->6),(2->10),(5->13)-tris(disulfide)
Constella
Linaclotide
LINACLOTIDE ACETATE
Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr (disulfide bridge: 1-6; 2-10; 5-13)
N-({(1R,4S,7S,13S,16R,21R,24R,27S,30S,33R,38R,44S)-21-Amino-13-(2-amino-2-oxoethyl)-27-(2-carboxyethyl)-30-(4-hydroxybenzyl)-44-[(1R)-1-hydroxyethyl]-4-methyl-3,6,12,15,22,25,28,31,40,43,46,51-dodecao ;xo-18,19,35,36,48,49-hexathia-2,5,11,14,23,26,29,32,39,42,45,52-dodecaazatetracyclo[22.22.4.2.0]dopentacont-38-yl}carbonyl)-L-tyrosine
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