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224,000+ research products · Triple ISO certified · COA & SDS available for every product · Same-day shipping on in-stock items Calpinactam - ≥95% , CAS No.1205538-83-5
Synonyms
(4R)-4-[[(2S)-2-[[(2S)-2-[[(2R)-2-Amino-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-[[(2R,3S)-3-methyl-1-oxo-1-[[(3S)-2-oxoazepan-3-yl]amino]pentan-2-yl]amino]-5-oxopentanoicacid
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
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Why this grade ≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at -20°C,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview Store at -20°C. Store under desiccating conditions. The product can be stored for up to 12 months.
Specifications Synonyms
(4R)-4-[[(2S)-2-[[(2S)-2-[[(2R)-2-Amino-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-[[(2R,3S)-3-methyl-1-oxo-1-[[(3S)-2-oxoazepan-3-yl]amino]pentan-2-yl]amino]-5-oxopentanoicacid
Specifications & Purity
≥95%
Biochemical and Physiological Mechanisms
Broad spectrum antimycobacterial agent (MIC values are 1 and 16 μM for M.smegmatis and M.tuberculosis respectively). Inhibits the growth of many fungi and yeast species, Gram-positive and Gram-negative bacteria.
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Names and Identifiers Canonical Smiles
CCC(C)C(C(=O)NC1CCCCNC1=O)NC(=O)C(CCC(=O)O)NC(=O)C(CC2=CN=CN2)NC(=O)C(CC(C)C)NC(=O)C(CC3=CC=CC=C3)N
IUPAC Name
(4R)-4-[[(2S)-2-[[(2S)-2-[[(2R)-2-amino-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-[[(2R,3S)-3-methyl-1-oxo-1-[[(3S)-2-oxoazepan-3-yl]amino]pentan-2-yl]amino]-5-oxopentanoic acid
InChIKey
GPDRWULXOJRYOR-XHGFRBTRSA-N
INCHI
1S/C38H57N9O8/c1-5-23(4)32(38(55)44-27-13-9-10-16-41-34(27)51)47-35(52)28(14-15-31(48)49)43-37(54)30(19-25-20-40-21-42-25)46-36(53)29(17-22(2)3)45-33(50)26(39)18-24-11-7-6-8-12-24/h6-8,11-12,20-23,26-30,32H,5,9-10,13-19,39H2,1-4H3,(H,40,42)(H,41,51)(H,43,54)(H,44,55)(H,45,50)(H,46,53)(H,47,52)(H,48,49)/t23-,26+,27-,28+,29-,30-,32+/m0/s1
Isomeric SMILES
CC[C@H](C)[C@H](C(=O)N[C@H]1CCCCNC1=O)NC(=O)[C@@H](CCC(=O)O)NC(=O)[C@H](CC2=CN=CN2)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](CC3=CC=CC=C3)N
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Organic acids and derivatives Class Carboxylic acids and derivatives Subclass Amino acids, peptides, and analogues Intermediate Tree Nodes Peptides Direct Parent Oligopeptides Alternative Parents Phenylalanine and derivatives Histidine and derivatives Glutamic acid and derivatives Leucine and derivatives Isoleucine and derivatives N-acyl-alpha amino acids and derivatives Alpha amino acid amides Amphetamines and derivatives Caprolactams Imidazolyl carboxylic acids and derivatives Aralkylamines Azepanes N-acyl amines Heteroaromatic compounds Amino acids Secondary carboxylic acid amides Monocarboxylic acids and derivatives Carboxylic acids Azacyclic compounds Carbonyl compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Alpha-oligopeptide - Phenylalanine or derivatives - Histidine or derivatives - Glutamic acid or derivatives - Leucine or derivatives - Isoleucine or derivatives - N-acyl-alpha amino acid or derivatives - Alpha-amino acid amide - N-substituted-alpha-amino acid - Alpha-amino acid or derivatives - Amphetamine or derivatives - Caprolactam - Imidazolyl carboxylic acid derivative - Aralkylamine - Azepane - Fatty acyl - Benzenoid - Monocyclic benzene moiety - Fatty amide - N-acyl-amine - Heteroaromatic compound - Azole - Imidazole - Amino acid or derivatives - Lactam - Amino acid - Carboxamide group - Secondary carboxylic acid amide - Monocarboxylic acid or derivatives - Organoheterocyclic compound - Azacycle - Carboxylic acid - Organonitrogen compound - Organic nitrogen compound - Carbonyl group - Primary amine - Organic oxide - Organic oxygen compound - Primary aliphatic amine - Amine - Organooxygen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound Description This compound belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(non-human) Mechanisms of Action Certificates(CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Soluble in DMSO Molecular Weight 767.900 g/mol XLogP3 -0.600 Hydrogen Bond Donor Count 9 Hydrogen Bond Acceptor Count 10 Rotatable Bond Count 21 Exact Mass 767.433 Da Monoisotopic Mass 767.433 Da Topological Polar Surface Area 267.000 Ų Heavy Atom Count 55 Formal Charge 0 Complexity 1310.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 7 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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