ALX 40-4C

ALX 40-4C is a small peptide inhibitor of the chemokine receptor CXCR4, inhibits SDF-1 from binding CXCR4 with a Ki of 1 μM, and suppresses the replication of X4 strains of HIV-1; ALX 40-4C Trifluoroacetate also acts as an antagonist of the APJ receptor, with an IC50 of 2.9 μM.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.
ALX 40-4C(CAS 143413-49-4)

CAT No: R1182

CAS No:143413-49-4

Synonyms/Alias:9025-49-4;Aspergillus acid protease;RUWHAENIXFIHPU-UHFFFAOYSA-N;DA-50747;143413-49-4;

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C68H99N3O32
M.W/Mr.
1470.5
Sequence
One Letter Code: Ac-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-NH2
three Letter Code: Ac-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-d-Arg-NH2
InChI
InChI=1S/C18H29NO7.C17H24N2O7.C17H22O9.C16H24O9/c1-18(2,13-26-15(21)8-7-14(20)24-3)16(22)17(23)25-12-11-19-9-5-4-6-10-19;1-17(2,11-26-14(21)6-5-13(20)24-3)15(22)16(23)25-10-4-8-19-9-7-18-12-19;1-10-12(26-11(2)25-10)8-23-16(21)15(20)17(3,4)9-24-14(19)7-6-13(18)22-5;1-10(2)14(20)24-9-25-15(21)13(19)16(3,4)8-23-12(18)7-6-11(17)22-5/h7-8,16,22H,4-6,9-13H2,1-3H3;5-7,9,12,15,22H,4,8,10-11H2,1-3H3;6-7,15,20H,2,8-9H2,1,3-5H3;6-7,10,13,19H,8-9H2,1-5H3
InChI Key
RUWHAENIXFIHPU-UHFFFAOYSA-N

Useful Tools

Peptide Calculator

Abbreviation List

Peptide Glossary

If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.

Featured Services
Epitope Mapping ServicesPeptide Nucleic Acids SynthesisCustom Conjugation ServicePeptide Analysis ServicesPeptide CDMOcGMP Peptide ServicePeptide Synthesis ServicesPeptide Modification Services
Hot Products
About us

Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.

From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.

Our Customers