PEG MGF vs MGF
At 2mg, the only strength both are offered in, MGF is the cheaper per mg: $3.013 per mg against $6.233 (FM2 in 50-box lots, PMF2 in 50-box lots). PEG MGF is offered in 1 strength, MGF in 1. Neither is on the shelf today.
Prices revised · USD per box of ten · freight included to US addresses from $1,000 of goods · COA per batch · research use only · New to us? What can be checked before you pay
What differs between PEG MGF and MGF
The same 24-residue peptide underneath, one line plain and one carrying a polyethylene glycol chain. MGF is the plain synthetic peptide, C121H199N41O40 at 2,868.2, so its sheet gives a calculated mass for the measured one to be matched to. PEG MGF is that peptide with a polyethylene glycol chain conjugated to it, and PEG is polydisperse by nature: there is no single formula and no single exact mass to calculate, and its sheet gives identity by ESI-MS. There is a buying consequence as well. The polymer is part of the weighed fill, in the same way the acetate and the water are on any peptide here, so a milligram of the conjugate holds less of the 24-residue peptide than a milligram of the unmodified line. Both are offered in one strength, 2 mg.
| Detail | PEG MGF | MGF |
|---|---|---|
| Best price per mg | $6.233 per mg (PMF2, 50 boxes) | $3.013 per mg (FM2, 50 boxes) |
| In 50-box lots, per box | $124.66 | $60.25 |
| Strengths offered | 1: 2mg | 1: 2mg |
| Highest price per mg | $6.233 per mg (PMF2, 50 boxes) | $3.013 per mg (FM2, 50 boxes) |
| On the shelf today | No, special order | No, special order |
| Range | Growth & IGF | Growth & IGF |
| Also called | No other name | mechano growth factor |
| Form | Lyophilised powder | Lyophilised powder |
| Molecular weight | No single mass | 2,868.2 g/mol |
| CAS number | Not on the spec sheet | Not on the spec sheet |
| Release limit | Purity ≥ 98.0 % by RP-HPLC | Purity ≥ 98.0 % by RP-HPLC |
Each line’s own page: PEG MGF and MGF. Reading either certificate: how to read a peptide COA. Checking a batch: verify a batch number. Every line priced: the price list. Checking another supplier’s quote: the price per mg calculator.
Strength for strength
Every strength both are offered in, per mg, the lower figure in bold; stock as this page was opened.
| Strength | PEG MGF | MGF |
|---|---|---|
| 2mg | $6.233 per mg (PMF2, special order, 50 boxes) | $3.013 per mg (lower) (FM2, special order, 50 boxes) |
Every strength of both
Compared elsewhere
Questions
What is the difference between PEG MGF and MGF?
The same 24-residue peptide underneath, one line plain and one carrying a polyethylene glycol chain. MGF is the plain synthetic peptide, C121H199N41O40 at 2,868.2, so its sheet gives a calculated mass for the measured one to be matched to.
Which residues of the 24-residue chain under both lines carry a charge?
Seven basic side chains and two acidic ones. There is lysine at 8 and 11, again at 16 and last at 24, an arginine pair, 14 and 15, plus a third at 23, so that Arg-Arg-Lys runs from 14 to 16, and the glutamate pair, 21 and 22; the first seven residues, YQPPSTN, have no charged side chain at all. On balance the MGF line carries about five positive charges at neutral pH, and PEG MGF carries its polymer on that same chain.
Which is cheaper per mg, PEG MGF or MGF?
At 2mg, the only strength both are offered in, MGF is the cheaper per mg: $3.013 per mg against $6.233 (FM2 in 50-box lots, PMF2 in 50-box lots).
Which comes in more strengths, PEG MGF or MGF?
Both are offered in one strength. Every strength is a separate line with its own code, price and stock state.
Are PEG MGF and MGF made to the same specification?
In purity and net content, yes: both are supplied to purity not less than 98.0 percent by RP-HPLC and net content within 5 percent of label, and each certificate reports those with a measured mass: PEG MGF’s has no single calculated figure to be matched to, its PEG being polydisperse; MGF’s is matched to its calculated 2,868.2. The retest date is on the batch record. What differs is each molecule’s own chemistry, described on its compound page.
Structural facts from each compound’s sheet and profile; prices and stock from the list at the moment this page was opened. How to compare strengths on price.