4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine

Also known as: 2-Chloro-4-(4-morpholinyl)thieno[2,3-d]pyrimidine, 4-(2-Chlorothieno[2,3-d]pyrimidin-4-yl)morpholine, Thieno[2,3-d]pyrimidine, 2-chloro-4-(4-morpholinyl)-

4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine (CAS 63894-67-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10ClN3OS and a molecular weight of 255.724 g/mol. Key property: a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63894-67-7
Jingsj CID: J-1401887-2
Molecular Formula: C₁₀H₁₀ClN₃OS
Molecular Weight: 255.724 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.5±0.1 g/cm3
Exact Mass	255.023315
PSA	66.49000
LogP	2.03
Refractive Index	1.671
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine?

The CAS number of 4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine is 63894-67-7.

What are the molecular formula and molecular weight of 4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine?

4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine has molecular formula C10H10ClN3OS and molecular weight 255.724 g/mol.

What are the upstream and downstream products of 4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine?

For 4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine, Downstream Products: 2-Chloro-4-(morpholin-4-yl)thieno[2,3-d]pyrimidine-6-carboxaldehyde.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-(2-chlorothieno[2,3-d]pyrimidin-4-yl)morpholine (CAS 63894-67-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401887-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.