WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406548

CAS#: 110044-82-1

Description: MG-101, also known as Calpain Inhibitor I and ALLN, is a calpain inhibitor (IC50 = 0.09 μM) that activates p53-dependent apoptosis in tumor cell lines. Activities of MG-101 includes: (1) reduce colon injury caused by dinitrobenzene sulphonic acid; (2) overcome acquired resistance to TRAIL; (3) protect against atractyloside-induced toxicity. (4). reduce colon injury caused by dinitrobenzene sulphonic acid.

Chemical Structure

CAS# 110044-82-1

Theoretical Analysis

MedKoo Cat#: 406548
Name: MG-101
CAS#: 110044-82-1
Chemical Formula: C20H37N3O4
Exact Mass: 383.27841
Molecular Weight: 383.53
Elemental Analysis: C, 62.63; H, 9.72; N, 10.96; O, 16.69

Price and Availability

Size Price Availability Quantity
10.0mg USD 150.0 Same day
25.0mg USD 250.0 Same day
50.0mg USD 450.0 Same day
100.0mg USD 850.0 Same day
200.0mg USD 1450.0 Same day
500.0mg USD 1950.0 Same day
1.0g USD 2950.0 Same day
2.0g USD 4250.0 Same day
5.0g USD 8950.0 2 Weeks
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Synonym: Calpain Inhibitor I; MG-101; MG 101; MG101; ALLN; AcLLnLCHO, Ac-Leu-Leu-Nle-Aldehyde.

IUPAC/Chemical Name: (S)-2-acetamido-4-methyl-N-((S)-4-methyl-1-oxo-1-(((R)-1-oxohexan-2-yl)amino)pentan-2-yl)pentanamide


InChi Code: InChI=1S/C20H37N3O4/c1-7-8-9-16(12-24)22-19(26)18(11-14(4)5)23-20(27)17(10-13(2)3)21-15(6)25/h12-14,16-18H,7-11H2,1-6H3,(H,21,25)(H,22,26)(H,23,27)/t16-,17+,18+/m1/s1


Appearance: white solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 383.53 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Cheng XG, Su YP, Luo CJ, Liu XH. [Effect of calpain inhibitor I on ikappaBalpha expression and cytokine secretion in RAW264.7 cells attacked with LPS]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2006 Nov;22(6):720-2. Chinese. PubMed PMID: 17077009.

2: Zhu H, Zhang L, Huang X, Davis JJ, Jacob DA, Teraishi F, Chiao P, Fang B. Overcoming acquired resistance to TRAIL by chemotherapeutic agents and calpain inhibitor I through distinct mechanisms. Mol Ther. 2004 May;9(5):666-73. PubMed PMID: 15120327.

3: Marzocco S, Di Paola R, Autore G, Mazzon E, Pinto A, Caputi AP, Thiemermann C, Cuzzocrea S. Calpain inhibitor I reduces intestinal ischemia-reperfusion injury in the rat. Shock. 2004 Jan;21(1):38-44. PubMed PMID: 14676682.

4: Cuzzocrea S, Chatterjee PK, Mazzon E, Serraino I, Dugo L, Centorrino T, Barbera A, Ciccolo A, Fulia F, McDonald MC, Caputi AP, Thiemermann C. Effects of calpain inhibitor I on multiple organ failure induced by zymosan in the rat. Crit Care Med. 2002 Oct;30(10):2284-94. PubMed PMID: 12394957.

5: Ballinger A, Azooz O. Calpain inhibitor I and colonic inflammation induced by DNBS in the rat. Gut. 2002 Mar;50(3):440-1. PubMed PMID: 11839729; PubMed Central PMCID: PMC1773137.

6: Obatomi DK, Blackburn RO, Bach PH. Adenine nucleotide and calpain inhibitor I protect against atractyloside-induced toxicity in rat renal cortical slices in vitro. Arch Toxicol. 2001 Oct;75(8):487-96. PubMed PMID: 11757673.

7: Cuzzocrea S, McDonald MC, Mazzon E, Mota-Filipe H, Centorrino T, Terranova ML, Ciccolo A, Britti D, Caputi AP, Thiemermann C. Calpain inhibitor I reduces colon injury caused by dinitrobenzene sulphonic acid in the rat. Gut. 2001 Apr;48(4):478-88. PubMed PMID: 11247891; PubMed Central PMCID: PMC1728239.

8: McDonald MC, Mota-Filipe H, Paul A, Cuzzocrea S, Abdelrahman M, Harwood S, Plevin R, Chatterjee PK, Yaqoob MM, Thiemermann C. Calpain inhibitor I reduces the activation of nuclear factor-kappaB and organ injury/dysfunction in hemorrhagic shock. FASEB J. 2001 Jan;15(1):171-186. PubMed PMID: 11149905.

9: Cuzzocrea S, McDonald MC, Mazzon E, Siriwardena D, Serraino I, Dugo L, Britti D, Mazzullo G, Caputi AP, Thiemermann C. Calpain inhibitor I reduces the development of acute and chronic inflammation. Am J Pathol. 2000 Dec;157(6):2065-79. PubMed PMID: 11106579; PubMed Central PMCID: PMC1885785.

10: Sierra-Paredes G, Cornes JM, Sierra-Marcuño G. Calpain inhibitor I retards seizure offset in the hippocampus of freely moving rats. Neurosci Lett. 1999 Mar 26;263(2-3):165-8. PubMed PMID: 10213161.

11: Zhang L, Song L, Parker EM. Calpain inhibitor I increases beta-amyloid peptide production by inhibiting the degradation of the substrate of gamma-secretase. Evidence that substrate availability limits beta-amyloid peptide production. J Biol Chem. 1999 Mar 26;274(13):8966-72. PubMed PMID: 10085142.

12: Ruetten H, Thiemermann C. Effect of calpain inhibitor I, an inhibitor of the proteolysis of I kappa B, on the circulatory failure and multiple organ dysfunction caused by endotoxin in the rat. Br J Pharmacol. 1997 Jun;121(4):695-704. PubMed PMID: 9208136; PubMed Central PMCID: PMC1564738.

13: Milligan SA, Owens MW, Grisham MB. Inhibition of IkappaB-alpha and IkappaB-beta proteolysis by calpain inhibitor I blocks nitric oxide synthesis. Arch Biochem Biophys. 1996 Nov 15;335(2):388-95. PubMed PMID: 8914937.

14: Klafki HW, Paganetti PA, Sommer B, Staufenbiel M. Calpain inhibitor I decreases beta A4 secretion from human embryonal kidney cells expressing beta-amyloid precursor protein carrying the APP670/671 double mutation. Neurosci Lett. 1995 Dec 1;201(1):29-32. PubMed PMID: 8830305.

15: Fitzpatrick JS, Shahi K, Baudry M. Effect of seizure activity and calpain inhibitor I on LTP in juvenile hippocampal slices. Int J Dev Neurosci. 1992 Aug;10(4):313-9. PubMed PMID: 1384274.

16: Reichelt R, Möhler H, Hebebrand J. Calpain inhibitor I prevents rapid postmortem degradation of benzodiazepine binding proteins: fluorographic and immunological evidence. J Neurochem. 1990 Nov;55(5):1711-5. PubMed PMID: 2170581.


10.0mg / USD 150.0

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