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IGF-1 LR3 Reconstitution Calculator

For in vitro research use only · Not medical advice

Preset to a 1 mg IGF-1 LR3 vial in 1 mL of diluent. Dissolve first in dilute acetic acid or 10 mM HCl, then dilute. A 1 mg vial in 1 mL gives 1 mg/mL.

IGF-1 LR3 reconstitution

Preset to a common IGF-1 LR3 vial size and diluent volume. Adjust any field for your own laboratory protocol.

mg
mL
mcg
Concentration
1
mg/mL
Portion volume
0.050
mL
Portions / vial
20
per vial

A 1 mg IGF-1 LR3 vial reconstituted with 1 mL gives 1 mg/mL. Measuring 0.050 mL gives 50 mcg per portion — about 20 portions from the vial.

Choosing a diluent for IGF-1 LR3

This is the one compound in this catalogue that genuinely requires an acidic solvent. IGF-1 LR3 is a folded 83-residue protein with poor solubility at neutral pH and is conventionally dissolved first in dilute acetic acid or dilute HCl, then diluted into the working buffer. Attempting to dissolve it directly in plain water or PBS commonly produces incomplete dissolution or visible precipitate — this is expected chemistry, not a defective vial.

PrimaryDilute acetic acid (0.1 M) or 10 mM HCl — required for initial dissolution
Alternative 1Sterile water for subsequent dilution
Alternative 2PBS for working dilutions only

Handling notes for IGF-1 LR3

  • Dissolve in dilute acetic acid or dilute HCl FIRST; do not attempt direct dissolution in water or PBS.
  • Add carrier protein (e.g. 0.1% BSA) for storage of dilute solutions to prevent adsorptive loss.
  • Prepare single-use aliquots — freeze–thaw denaturation is irreversible.
  • Do not vortex; agitation denatures folded proteins at the air–liquid interface.

After reconstitution

StorageRefrigerate at 2–8 °C for short-term work. Where longer storage is required, carrier protein such as 0.1% BSA is conventionally added to prevent adsorptive loss — a step that is standard for growth-factor proteins and unnecessary for short peptides.
Working windowShort: commonly worked with within 1–2 weeks at 2–8 °C, or frozen in single-use aliquots.
Freeze–thawSingle-use aliquots are the standard practice, and here it genuinely matters. IGF-1 LR3 has tertiary structure to lose — unlike the unstructured short peptides in this catalogue, it can denature, and denaturation is not reversible on rewarming.
Full IGF-1 LR3 storage reference
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More IGF-1 LR3 reference

IGF-1 LR3 overviewReconstitution guideSolubilityFAQ Verify a batchProduct details

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Research Use Only. This calculator is a convenience reference for laboratory measurement. All values are for in-vitro research applications only. Popular Peptides does not provide medical advice. Products sold by Popular Peptides are not approved by Health Canada for human or veterinary therapeutic use. Always follow qualified research protocols and institutional guidelines.