Leupeptin - UltraBio™, ≥95%(HPLC), microbial , CAS No.103476-89-7

CAS: 103476-89-7 Cat. No.: L755635 Summenformel: C20H38N6O4·1/2(H2SO4) Molekulargewicht: 475.59 EG-Nummer: 600-443-5 PubChem CID: 2733491
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GRADE & PURITY UltraBio™ ? UltraBio™ — Aladdin's line for molecular-biology applications. Use for nuclease-free, high-consistency reagents across molecular workflows. ≥95%(HPLC) microbial
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
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Size
Deutschland (EU)
USA*
Price
Qty
5mg
L755635-5mg
Auf Bestellung · 8–12 Wochen
468,49€
25mg
L755635-25mg
Auf Bestellung · 8–12 Wochen
1.526,27€
100mg
L755635-100mg
Auf Bestellung · 8–12 Wochen
3.944,65€
Enter a quantity for the sizes you want to add.
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Why this grade

UltraBio™, ≥95%(HPLC), microbial UltraBio™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C 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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Spezifikationen & Reinheit
UltraBio™, ≥95%(HPLC), microbial
Biochemische und physiologische Mechanismen
Inhibitor of serine and cysteine proteases. Inhibits plasmin, trypsin, papain, calpain, and cathepsin B. Does not inhibit pepsin, cathepsins A and D, thrombin, or α-chymotrypsin. Effective concentration 10-100 μM. There have been numerous studies using le
Storage
Store at -20°C
Verschickt in
Ice chest + Ice pads
Dieses Produkt erfordert Kühlkettenversand. Grundversand und andere Economy-Optionen sind nicht verfügbar.
Note
UltraBio™
Reinheit
≥95%(HPLC)
Namen und Kennungen
Kanonisches LächelnCC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C.CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C.OS(=O)(=O)O
IUPAC Name(2S)-2-acetamido-N-[(2S)-1-[[(2S)-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-4-methylpentanamide;sulfuric acid
InChIKeyCIPMKIHUGVGQTG-VFFZMTJFSA-N
INCHI1S/2C20H38N6O4.H2O4S/c2*1-12(2)9-16(24-14(5)28)19(30)26-17(10-13(3)4)18(29)25-15(11-27)7-6-8-23-20(21)22;1-5(2,3)4/h2*11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23);(H2,1,2,3,4)/t2*15-,16-,17-;/m00./s1
Isomere SMILES CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCN=C(N)N)C=O)NC(=O)C.CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCN=C(N)N)C=O)NC(=O)C.OS(=O)(=O)O
PubChem CID 2733491
Molekulargewicht 475.59

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

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
KlasseCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Peptides
Direct ParentDipeptides
Alternative Parents Leucine and derivatives  N-acyl-alpha amino acids and derivatives  Alpha amino acid amides  Organic sulfuric acids  N-acyl amines  Acetamides  Secondary carboxylic acid amides  Guanidines  Propargyl-type 1,3-dipolar organic compounds  Carboximidamides  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  Aldehydes  
Molecular FrameworkNot available
Substituents Alpha-dipeptide - Leucine or derivatives - N-acyl-alpha amino acid or derivatives - Alpha-amino acid amide - N-substituted-alpha-amino acid - Alpha-amino acid or derivatives - Sulfuric acid - Fatty amide - Fatty acyl - N-acyl-amine - Acetamide - Organic sulfuric acid or derivatives - Carboxamide group - Guanidine - Secondary carboxylic acid amide - Carboximidamide - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Aldehyde - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aliphatic acyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
External Descriptors Not available
3D-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemische und physikalische Eigenschaften
LöslichkeitH 2 O: 50 mg/mL
Molekulargewicht951.200 g/mol
XLogP3
Hydrogen Bond Donor Count12
Hydrogen Bond Acceptor Count14
Rotatable Bond Count28
Exact Mass950.558 Da
Monoisotopic Mass950.558 Da
Topological Polar Surface Area421.000 Ų
Heavy Atom Count65
Formal Charge0
Complexity683.000
Isotope Atom Count0
Defined Atom Stereocenter Count6
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
FAQs und Artikel
UltraBio™: Defining Excellence in Molecular Biology Applications
Protease Inhibitors
Common Protectants and Formulations for Protein Storage
How to Optimize Buffer Components for Ni-Agarose Beads
Eight Common Lysis Buffers
Clostridial Proteases: Classification, Molecular Mechanisms, and Research Applications
How to Determine Whether a Protein Is Suitable for Targeted Degradation: From Degradation Pathway and Molecular Design to Mechanism Validation
From Metabolic Flux to Protein Degradation: How Metabolic Enzymes and Protein Degradation Systems Jointly Regulate Cell Fate
Catalytic Mechanisms, Classification Characteristics, and Experimental Applications of Serine Endopeptidases
Citations of This Product
Referenzen
1. Rongrong He, Ziwei Lv, Yinan Li, Shuchao Ren, Jiaqi Cao, Jun Zhu, Xinrong Zhang, Huimin Wu, Lihao Wan, Ji Tang, Shutong Xu, Xiao-Lin Chen, Zhipeng Zhou.  (2024)  tRNA-m1A methylation controls the infection of Magnaporthe oryzae by supporting ergosterol biosynthesis.  DEVELOPMENTAL CELL,      [PMID:39191251] [10.1016/j.devcel.2024.08.002]
2. Bangbang Li, Yanchen Wang, Pengzhao Chang, Hao Chen, Yangang Zhu, Nanxin Zhao, Zhimou Yang, Jingjing Li.  (2025)  In situ enzyme instructed peptide assembly favoring a three-target sequentially responsive fluorescence probe for the early identification of atherosclerotic plaque in vivo.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.167162]
3. Jing Jin, Qiao‑Yun Hu, Wen‑Wen Xu, Wen‑Jia Zhu, Bei Liu, Jing Liu, Wei Wang, Hui‑Fang Zhou.  (2019)  Tanshinone IIA attenuates estradiol‑induced polycystic ovarian syndrome in mice by ameliorating FSHR expression in the ovary.  Experimental and Therapeutic Medicine,  17  (5): (3501-3508).  [PMID:30988730] [10.3892/etm.2019.7352]
4. Yunhua Zhang, Jinyun Ji, Xiao Zhao, Ruoheng Jin, Jianhong Li, Hu Wan.  (2017)  Expression, purification and enzymatic properties of a β-N-acetylhexosaminidase from brown planthopper, Nilaparvata lugens.  JOURNAL OF ASIA-PACIFIC ENTOMOLOGY,      [PMID:] [10.1016/j.aspen.2017.10.005]
Lösungsrechner
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Häufig gestellte Fragen

What is the purity of this product, and how is it determined?
This product is supplied at ≥95% purity, determined by HPLC. Lot-specific values are stated on the Certificate of Analysis.
What does UltraBio? mean?
UltraBio? indicates that the product has been processed and tested for biological and biochemical applications. Specifications may include endotoxin limits, microbial controls, sterility, low DNase/RNase/protease activity, and verified biological activity where relevant.
How should this product be stored?
Store at ?20 °C. Freezer storage is required to maintain the specified shelf life.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 103476-89-7, the molecular formula is C20H38N6O4·1/2(H2SO4), and the molecular weight is 475.59 g/mol. InChIKey CIPMKIHUGVGQTG-VFFZMTJFSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

📚 Citations by Application

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