WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 598127

CAS#: 21282-10-0

Description: Pyroglutamylvaline also known as pyro-Glu-Val or 5-oxoprolylvaline, is classified as a member of the dipeptides. Dipeptides are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond. Pyroglutamylvaline is considered to be practically insoluble (in water) and acidic.

Chemical Structure

CAS# 21282-10-0

Theoretical Analysis

MedKoo Cat#: 598127
Name: Pyroglutamylvaline
CAS#: 21282-10-0
Chemical Formula: C10H16N2O4
Exact Mass: 228.111
Molecular Weight: 228.24
Elemental Analysis: C, 52.62; H, 7.07; N, 12.27; O, 28.04

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Pyro-glu-val; Pyroglutamyl valine; Pyroglutamylvaline; Pyroglutamyl-valine;

IUPAC/Chemical Name: ((S)-5-oxopyrrolidine-2-carbonyl)-L-valine


InChi Code: InChI=1S/C10H16N2O4/c1-5(2)8(10(15)16)12-9(14)6-3-4-7(13)11-6/h5-6,8H,3-4H2,1-2H3,(H,11,13)(H,12,14)(H,15,16)/t6-,8-/m0/s1

SMILES Code: CC(C)[C@@H](C(O)=O)NC([C@H](CC1)NC1=O)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 228.24 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

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Reconstitution Calculator

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Dilution Calculator

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1: Fujiwara K, Kitagawa T, Tsuru D. Inactivation of pyroglutamyl aminopeptidase by L-pyroglutamyl chloromethyl ketone. Biochim Biophys Acta. 1981 Mar 13;658(1):10-6. PubMed PMID: 6111350.

2: Fujiwara K, Matsumoto E, Kitagawa T, Tsuru D. Inactivation of pyroglutamyl aminopeptidase by N alpha-carbobenzoxy-L-pyroglutamyl chloromethyl ketone. J Biochem. 1981 Aug;90(2):433-7. PubMed PMID: 6117551.

3: Fujiwara K, Matsumoto E, Kitagawa T, Tsuru D. N-alpha-carbobenzoxy pyroglutamyl diazomethyl ketone as active-site-directed inhibitor for pyroglutamyl peptidase. Biochim Biophys Acta. 1982 Apr 3;702(2):149-54. PubMed PMID: 6123347.