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Gonadorelin vs Kisspeptin-10

Strength for strength, Gonadorelin costs less per mg at the two strengths both are offered in: at 5mg $0.893 per mg against $1.056 (GND5 in 50-box lots, KS5), at 10mg $0.893 per mg against $0.907 (GND10 in 50-box lots, KS10). By the single box, Kisspeptin-10 is the only option, from $0.907 per mg at 10mg (KS10); every Gonadorelin line is special order. Gonadorelin is offered in 3 strengths (2mg to 10mg), Kisspeptin-10 in 2 (5mg to 10mg). Neither is on the shelf today. The least either takes: one box of KS5 at $52.82, two for a first order’s $100 minimum, against 50 boxes of GND2, $1,310.00 of goods.

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 Gonadorelin and Kisspeptin-10

Two ten-residue amides, each with a formula and a calculated average mass on its sheet: gonadorelin is C55H75N17O13 at 1,182.3, CAS 33515-09-2, and kisspeptin-10 is C63H83N17O14 at 1,302.5, CAS 374675-21-5, 120.2 heavier. The structural difference is at the ends. Gonadorelin is the native GnRH decapeptide, beginning with a pyroglutamate that is already cyclised and closing as an amide. Kisspeptin-10 is residues 112 to 121 taken out of a longer chain, amidated at the C-terminus and left with an ordinary free N-terminus. Both are acetate salts, both lyophilised, both priced per milligram; gonadorelin is listed in three vial strengths, all by special order, and kisspeptin-10 in two.

Detail Gonadorelin Kisspeptin-10
Best per mg, by the box Special order only $0.907 per mg (KS10)
Best per mg, special order included $0.893 per mg (GND5, 50 boxes) $0.907 per mg (KS10)
Price per box sold singly Special order only $52.82 to $90.74
In 50-box lots, per box $26.20 to $89.34 None
Strengths offered 3: 2mg, 5mg, 10mg 2: 5mg, 10mg
Highest price per mg $1.310 per mg (GND2, 50 boxes) $1.056 per mg (KS5)
On the shelf today 0 of 3 strengths 0 of 2 strengths
Range Hormone & Reproductive Hormone & Reproductive
Also called No other name Metastin (45-54) and KP-10
Form Lyophilised powder Lyophilised powder
Molecular weight 1,182.3 g/mol 1,302.5 g/mol
Formula C55H75N17O13 C63H83N17O14
CAS number 33515-09-2 374675-21-5
Release limit Purity ≥ 98.0 % by RP-HPLC Purity ≥ 98.0 % by RP-HPLC

Each line’s own page: Gonadorelin and Kisspeptin-10. 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. Counting special-order lines, sold in 50-box lots, the lowest for Gonadorelin is $0.893 per mg (5mg, GND5); for Kisspeptin-10 it is still KS10, made to order by the single box, at $0.907 per mg.

Strength Gonadorelin Kisspeptin-10
5mg $0.893 per mg (lower) (GND5, special order, 50 boxes) $1.056 per mg (KS5, made to order)
10mg $0.893 per mg (lower) (GND10, special order, 50 boxes) $0.907 per mg (KS10, made to order)

Every strength of both

Code Compound Strength Per box Per vial Per unit Stock Order
GND2 Gonadorelin 2mg x 10 vials $26.20 $2.62 $1.310 per mg Special order, 50-box minimum
GND5 Gonadorelin 5mg x 10 vials $44.67 $4.47 $0.893 per mg Special order, 50-box minimum
GND10 Gonadorelin 10mg x 10 vials $89.34 $8.93 $0.893 per mg Special order, 50-box minimum
KS5 Kisspeptin-10 5mg x 10 vials $52.82 $5.28 $1.056 per mg Made to order, 4 weeks
KS10 Kisspeptin-10 10mg x 10 vials $90.74 $9.07 $0.907 per mg Made to order, 4 weeks

Compared elsewhere

Gonadorelin vs HCG

$0.893 per mg against $0.00156 per IU at best, both 50-box lines; 3 strengths against 2.

Gonadorelin vs Triptorelin

At 2mg: $1.310 per mg against $1.403, both in 50-box lots; 3 strengths against 1.

Questions

What is the difference between Gonadorelin and Kisspeptin-10?

Two ten-residue amides, each with a formula and a calculated average mass on its sheet: gonadorelin is C55H75N17O13 at 1,182.3, CAS 33515-09-2, and kisspeptin-10 is C63H83N17O14 at 1,302.5, CAS 374675-21-5, 120.2 heavier. The structural difference is at the ends.

Which is cheaper per mg, Gonadorelin or Kisspeptin-10?

Strength for strength, Gonadorelin costs less per mg at the two strengths both are offered in: at 5mg $0.893 per mg against $1.056 (GND5 in 50-box lots, KS5), at 10mg $0.893 per mg against $0.907 (GND10 in 50-box lots, KS10).

What are the molecular weights of Gonadorelin and Kisspeptin-10?

Gonadorelin’s calculated average mass is 1,182.3 g/mol and Kisspeptin-10’s 1,302.5 g/mol, 120.2 apart; in electrospray the ions come at m/z 1183.3 and 592.2 (1+ and 2+) for Gonadorelin against 1303.5 and 652.2 (1+ and 2+) for Kisspeptin-10. On each certificate the measured mass is matched to the line’s calculated average mass, within about one unit, as how to read a peptide COA sets out.

Are Gonadorelin and Kisspeptin-10 made to the same specification?

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, matched to the calculated figure on each sheet. 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.

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