Agar suppliers and prices

Formula: C₁₄H₂₄O₉
CAS number: 9002-18-0
Molar mass: 336.33 g/mol

Cheapest by weight

$294 per kilogram

Price per unit, converted to US dollars

At GFS Chemicals, United States

Pack: 2.5 kilograms for $736.19
Grade: Grade not stated · packs of 1 to 25 kilograms

View at GFS Chemicals

Smallest amount to spend

$50.47 for 30 grams

Total for one pack, in the store's own currency

At Lab Alley, United States

Works out at: $1.68 per gram
Grade: Grade not stated · packs of 10 to 50 grams

View at Lab Alley

4 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $294 to $1.68 per kilogram, because a bigger pack costs less per kilogram.

Show prices per

Every price we found

4 prices, cheapest first

Store	Grade and pack	Price	Link
GFS ChemicalsUnited StatesLowest price	Grade not stated · packs of 1 to 25 kilograms2.5 kilograms for $736.19	$294 per kilogram	View at store
Lab AlleyUnited States	Grade not stated · packs of 50 grams to 1 kilogram500 grams for $185.24	$370 per kilogram	View at store
GFS ChemicalsUnited States	Grade not stated · packs of 50 grams to 1 kilogram500 grams for $198.33	$397 per kilogram	View at store
Lab AlleyUnited States	Grade not stated · packs of 10 to 50 grams30 grams for $50.47	$1.68 per gram	View at store

Making a solution?

Pick the strength and how much you need. We work out the grams of Agar and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 336 grams; of Agar, molar mass 336.33 g/mol
That much costs: $99.04; $99.04 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $185.24; 1 pack of 500 grams at Lab Alley; View at Lab Alley

Weigh it out, dissolve it in less water than you need, then top up to the full amount.

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Chemical identity

Formula: C₁₄H₂₄O₉
Molar mass: 336.33 g/mol
CAS number: 9002-18-0
InChIKey: GYYDPBCUIJTIBM-DYOGSRDZSA-N
Official record: PubChem 71571511

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-29, then divided by the pack size. Shipping and tax are not included.