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L2023

Leupeptin trifluoroacetate salt

powder, ≥90% (HPLC)

Synonyme(s) :

Acetyl-Leu-Leu-Arg-al trifluoroacetate salt

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A propos de cet article

Formule empirique (notation de Hill) :
C20H38N6O4 · xC2HF3O2
Numéro CAS:
147385-61-3
Poids moléculaire :
426.55 (free base basis)
UNSPSC Code:
12352202
PubChem Substance ID:
329817397
NACRES:
NA.77
MDL number:
MFCD00133458
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Nom du produit

Leupeptin trifluoroacetate salt, ≥90% (HPLC), microbial

biological source

microbial

Quality Level

200

assay

≥90% (HPLC)

form

powder

solubility

H2O: 10 mM (Solutions are stable only a few hours. Stock solutions are stable up to 6 months at −20 °C.)

storage temp.

−20°C

SMILES string

OC(=O)C(F)(F)F.CC(C)C[C@H](NC(C)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C=O

InChI

1S/C20H38N6O4.C2HF3O2/c1-12(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;3-2(4,5)1(6)7/h11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23);(H,6,7)/t15-,16-,17-;/m0./s1

InChI key

WUHGBZVQELGOMH-FRKSIBALSA-N

Biochem/physiol Actions

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.
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 leupeptin to protect against hearing loss caused by acoustic overstimulation or the ototoxic antibiotic gentamicin. (Loss of cochlear hair cells is believed to be mediated by calpain.)

Analysis Note

Leupeptin gives multiple peaks on HPLC because of the formation of tautomeric isomers in solution. Majority of contaminating peptide is racemized leupeptin.

Classe de stockage

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
087K8636
124H6861
122K8607
122K86074
122K86073

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Numéro d'article de commerce international

RéférenceGTIN
L2023-10MG04061833949733
L2023-50MG04061833263082
L2023-1MG04061833949740
L2023-100MG04061833949726
L2023-25MG04061833949757
L2023-5MG04061833949764