ChemicalSuppliers

Phenol Red suppliers and prices

Formula
C19H14O5S
CAS number
143-74-8
Molar mass
354.40 g/mol

Found at 1 store we track

$19.79 per litre

Price per unit, converted to US dollars

At Lab Alley, United States

Pack
18.9 litres for $374.64
Grade
Grade not stated · Solution 0.04% · packs of 1 to 25 litres
View at Lab Alley

Smallest amount to spend

$49.48 for 500 millilitres

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

At Lab Alley, United States

Works out at
$98.96 per litre
Grade
Grade not stated · Solution 0.04% · packs of 50 millilitres to 1 litre
View at Lab Alley

3 offers from 1 store · Prices checked October 28, 2026 · Prices run from $19.79 to $98.96 per litre, because a bigger pack costs less per litre.

Only one store we read sells Phenol Red so far. Sell it, or know a store that does? Tell us.

Show prices per

Liquids switch to the matching volume: microlitre, millilitre, litre, fluid ounce or US gallon.

Every price we found

3 prices, cheapest first

StoreGrade and packPriceLink
Lab AlleyUnited StatesLowest price Grade not stated · Solution 0.04% · packs of 1 to 25 litres18.9 litres for $374.64 $19.79 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 0.04% · packs of 50 millilitres to 1 litre500 millilitres for $49.48 $98.96 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 0.02% · packs of 50 millilitres to 1 litre500 millilitres for $49.48 $98.96 per litre View at store

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Chemical identity

Formula
C19H14O5S
Molar mass
354.40 g/mol
CAS number
143-74-8
InChIKey
BELBBZDIHDAJOR-UHFFFAOYSA-N
Official record
PubChem 4766

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.