Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate suppliers and prices

Formula: C₁₀H₉ClN₂O₂S
CAS number: 101667-98-5
Molar mass: 256.71 g/mol

Cheapest by weight

$252 per gram

5 grams for 1,130.00 EUR, about $1,262

At CymitQuimica, Spain · Grade not stated

View at CymitQuimica

Lowest total price

175.00 EUR for 250 milligrams, about $196

Works out at $782 per gram

At CymitQuimica, Spain

View at CymitQuimica

Every price we found

6 prices from 2 stores, checked November 1, 2026. In stock from $252 to $782 per gram, depending on pack size and store. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.

SortShow prices per Currency

Showing all 6 prices

Pack	Store	Grade and form	Price per unit
5 grams1,130.00 EUR, about $1,262	CymitQuimicaSpain	Lowest priceGrade not stated	$252 per gram
10 grams2,973.00 EUR, about $3,321	CymitQuimicaSpain	Grade not stated	$332 per gram
1 gram403.00 EUR, about $450	CymitQuimicaSpain	Grade not stated	$450 per gram
250 milligrams175.00 EUR, about $196	CymitQuimicaSpain	Grade not stated	$782 per gram
500 milligrams$1,140.00	SyntreeCN	Out of stockGrade not stated	$2,280 per gram
250 milligrams$611.00	SyntreeCN	Out of stockGrade not stated	$2,444 per gram

Cite these pricesA ready sentence and reference for your report

For your report

As of November 1, 2026, the lowest store price for ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate was $252 per gram, converted to US dollars: 5 grams for 1,130.00 EUR at CymitQuimica.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, November 1). Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/ethyl-4-chloro-5-methylthieno-2-3-d-pyrimidine-6-carboxylate/

ACS

Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/ethyl-4-chloro-5-methylthieno-2-3-d-pyrimidine-6-carboxylate/ (accessed 2026-11-01).

BibTeX

@misc{chemicalsuppliers-ethyl-4-chloro-5-methylthieno-2-3-d-pyrimidine-6-carboxylate,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate} suppliers and prices},
  year    = {2026},
  date    = {2026-11-01},
  url     = {https://www.chemicalsuppliers.com/ethyl-4-chloro-5-methylthieno-2-3-d-pyrimidine-6-carboxylate/},
  urldate = {2026-11-01},
  note    = {Prices checked November 1, 2026}
}

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

Making a solution?

Pick the strength and how much you need. We work out the grams of Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 257 milligrams; of Ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate, molar mass 256.71 g/mol
That much costs: $64.82; $648.16 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $391.02; 2 packs of 250 milligrams at CymitQuimica; View at CymitQuimica

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

Similar chemicals

Sold by

Chemical identity

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

Formula: C₁₀H₉ClN₂O₂S
Molar mass: 256.71 g/mol
CAS number: 101667-98-5
InChIKey: FIIBPXMYXHXUPI-UHFFFAOYSA-N
Official record: PubChem 2103964

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.