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Glycyl-L-prolyl-L-arginyl-L-proline

Also known as: Gly-Pro-Arg-Pro, GPRP, H-Gly-Pro-Arg-Pro-OH, Laudano-Doolittle peptide, Fibrinolysis inhibiting factor, PEFA 6003, MFCD00133378, glycyl-prolyl-arginyl-proline, glycyl-L-prolyl-L-arginyl-L-proline

Glycyl-L-prolyl-L-arginyl-L-proline (CAS 67869-62-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H31N7O5 and a molecular weight of 425.48300 g/mol. Key property: a density of 1.55 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67869-62-9
Jingsj CID
J-30987-5
Molecular Formula
C18H31N7O5
Molecular Weight
425.48300 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.55 g/cm3
Exact Mass425.23900
PSA194.94000
Refractive Index1.691
Storage Conditions−20°C

Activity & Biological Data

Additional Information[1]. Gallistl S, et al. Gly-pro-arg-pro (GPRP) enhances free thrombin. Thromb Res. 1995 Jun 15;78(6):547-50. [2]. Hsieh KH, et, al. Fibrin Polymerization. 1. Alkylating peptide inhibitors of fibrin polymerization. J Med Chem. 1981 Mar; 24(3): 322-7.

Frequently Asked Questions

What is the CAS number of Glycyl-L-prolyl-L-arginyl-L-proline?

The CAS number of Glycyl-L-prolyl-L-arginyl-L-proline is 67869-62-9.

What are the molecular formula and molecular weight of Glycyl-L-prolyl-L-arginyl-L-proline?

Glycyl-L-prolyl-L-arginyl-L-proline has molecular formula C18H31N7O5 and molecular weight 425.48300 g/mol.

What are the upstream and downstream products of Glycyl-L-prolyl-L-arginyl-L-proline?

For Glycyl-L-prolyl-L-arginyl-L-proline, Upstream Products: Nα-Boc-Nω-nitro-L-arginine, L-Proline benzyl ester hydrochloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Glycyl-L-prolyl-L-arginyl-L-proline (CAS 67869-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30987-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.