4-Hydroxybut-2-ynoic Acid suppliers and prices

Formula: C₄H₄O₃
CAS number: 7218-52-2
Molar mass: 100.07 g/mol

Found at 1 store we track

$164 per gram

10 grams for $1,645.00

At Syntree, CN · Grade not stated

View at Syntree

Lowest total price

$358.00 for 1 gram

Works out at $358 per gram

At Syntree, CN

View at Syntree

Only one store we read sells 4-Hydroxybut-2-ynoic Acid so far. Sell it, or know a store that does? Tell us.

Every price we found

3 prices from 1 store, checked November 1, 2026. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.

SortShow prices per Currency

Pack	Store	Grade and form	Price per unit
10 grams$1,645.00	SyntreeCN	Out of stockGrade not stated	$164 per gram
5 grams$1,140.00	SyntreeCN	Out of stockGrade not stated	$228 per gram
1 gram$358.00	SyntreeCN	Out of stockGrade not stated	$358 per gram

Cite these pricesA ready sentence and reference for your report

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, November 1). 4-Hydroxybut-2-ynoic acid suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/4-hydroxybut-2-ynoic-acid/

ACS

4-Hydroxybut-2-ynoic Acid Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/4-hydroxybut-2-ynoic-acid/ (accessed 2026-11-01).

BibTeX

@misc{chemicalsuppliers-4-hydroxybut-2-ynoic-acid,
  author  = {{ChemicalSuppliers.com}},
  title   = {{4-Hydroxybut-2-ynoic acid} suppliers and prices},
  year    = {2026},
  date    = {2026-11-01},
  url     = {https://www.chemicalsuppliers.com/4-hydroxybut-2-ynoic-acid/},
  urldate = {2026-11-01},
  note    = {Prices checked November 1, 2026}
}

Prices change every day, so each line carries the date they were checked.

Similar chemicals

Sold by

Syntree

Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record

Formula: C₄H₄O₃
Molar mass: 100.07 g/mol
CAS number: 7218-52-2
InChIKey: QVYMWMSAXULCMW-UHFFFAOYSA-N
Official record: PubChem 359297

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-30, then divided by the pack size. Shipping and tax are not included.