IGF-1 LR3

IGF-1 LR3 is an 83-amino-acid recombinant analogue of insulin-like growth factor 1 with an Arg substitution at position 3 and a 13-residue N-terminal extension.

Class

Recombinant 83-residue IGF-1 analogue

Also known as

Long R3 IGF-1 · Long arginine-3 IGF-1

Molecular formula

C400H625N111O115S9

Molar mass

9117.60 g/mol

CAS number

946870-92-4

Appearance

White to off-white lyophilized powder

Storage

Store lyophilized at -20 °C, protected from light. After reconstitution, keep refrigerated at 2–8 °C.

Reconstitution

Reconstitute with bacteriostatic or sterile water; concentration follows the target volume (see the reconstitution calculator).

Reference data is provided for laboratory identification only. Values are sourced from public chemistry databases; confirm against the batch COA. Not for human or animal use.

Every batch is independently third-party tested for identity, mass, and purity, and ships with a lot code you can verify. How we test →

Purity spec

≥99%

Verified by

Chromate

Lot

33311

Status

Independently verified

Compounds researchers commonly explore alongside IGF-1 LR3. Build a stack of 5+ distinct compounds and 20% comes off the whole protocol (supplies excluded).

Pairings reflect compounds commonly researched together — not a protocol, combination guidance, or any therapeutic claim. Research use only.