How is HGH Fragment 176-191 supplied?

HGH Fragment 176-191 is supplied as a lyophilised (freeze-dried) powder in 5 mg vials, for laboratory research use only.

Has this batch of HGH Fragment 176-191 been independently tested?

Yes. Lot PX-2413-C was tested at 99.1% by an independent laboratory. The full certificate of analysis is published and searchable by lot code on the verify page, before and after purchase.

Is HGH Fragment 176-191 for human use?

No. HGH Fragment 176-191 is supplied strictly for in vitro laboratory research. It is not for human or animal consumption, and is not a drug, food, or cosmetic.

HGH Fragment 176-191

Name: HGH Fragment 176-191
Brand: PepNex
Availability: InStock

hGH Lipolytic Fragment. Supplied in 5 mg vials, lyophilised and ready to reconstitute.

Batch certified

UK stock, same-day

Stored cold, shipped & sealed safely

Strength

How many vials?

2 more vials to save 5%

Add bacteriostatic water

Peptides ship as dry powder — you’ll need this to reconstitute the vial.

£75.01 from free UK delivery

Total£24.99

Ships today

Questions about HGH Fragment 176-191? Ask us

For laboratory research use only. Not for human or animal consumption, and not a drug, food, or cosmetic. Sold to qualified researchers and institutions.

About HGH Fragment 176-191

Residues: 16
Molecular weight: 1799.1 g/mol
CAS number: 66004-57-7

hGH Fragment 176-191 corresponds to the C-terminal region (residues 176–191) of the mature 191-residue human growth hormone and contains an intramolecular disulfide bond between its two cysteine residues. It has been studied in preclinical lipid-metabolism research and is used as a research reference peptide.

For laboratory research use only. Not for human or veterinary use.

Specifications

HydrophobicPolarAcidicBasic

16 residues

Identity

Sequence: FLRIVQCRSVEGSCGF
Molecular formula: C78H123N23O22S2
Molecular weight: 1799.1 g/mol
CAS number: 66004-57-7

Physical

Form: Lyophilised powder
Appearance: White to off-white powder
Solubility: Soluble in bacteriostatic or sterile water
Storage: Store the lyophilised powder at -20°C, protected from light. Refrigerate reconstituted material at 2 to 8°C and use within its stability window.

This batch

Purity: 99.1%
Lot: PX-2413-C
Test date: May 2026
Testing lab: third-party
Methods: HPLC, LC-MS/MS

Certificate

Certificate · lot PX-2413-C99.1% · HPLC / LC-MS/MS · May 2026

COA · PX-2413-C.pdfIndependent lab report

Handling and storage

Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.

Common questions about HGH Fragment 176-191

What is HGH Fragment 176-191?: hGH Fragment 176-191 corresponds to the C-terminal region (residues 176–191) of the mature 191-residue human growth hormone and contains an intramolecular disulfide bond between its two cysteine residues.
How is HGH Fragment 176-191 supplied?: HGH Fragment 176-191 is supplied as a lyophilised (freeze-dried) powder in 5 mg vials, for laboratory research use only.
How should HGH Fragment 176-191 be stored and handled?: Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.
Has this batch of HGH Fragment 176-191 been independently tested?: Yes. Lot PX-2413-C was tested at 99.1% by an independent laboratory. The full certificate of analysis is published and searchable by lot code on the verify page, before and after purchase.
Is HGH Fragment 176-191 for human use?: No. HGH Fragment 176-191 is supplied strictly for in vitro laboratory research. It is not for human or animal consumption, and is not a drug, food, or cosmetic.