5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione

Also known as: 5,7-Dihydrothieno[3,4-d]pyrimidine-2,4-diol, 5,7-Dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione, 5H,7H-2-dihydrothieno[3,4-d]pyrimidine-2,4-dione, 5H,7H-Thieno[3,4-d]pyrimidine-2,4-diol, Thieno[3,4-d]pyrimidine-2,4(1H,3H)-dione, 5,7-dihydro-

5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione (CAS 5719-34-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O2S and a molecular weight of 170.18900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5719-34-6
Jingsj CID: J-1050615-7
Molecular Formula: C₆H₆N₂O₂S
Molecular Weight: 170.18900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	170.01500
PSA	91.54000
LogP	0.63460

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 5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione?

The CAS number of 5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione is 5719-34-6.

What are the molecular formula and molecular weight of 5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione?

5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione has molecular formula C6H6N2O2S and molecular weight 170.18900 g/mol.

What are the upstream and downstream products of 5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione?

For 5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione, Downstream Products: 2,4-dichloro-5,7-dihydrothieno[3,4-d]pyrimidine.

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. "5,7-dihydrothieno[3,4-d]pyrimidine-2,4(1H,3H)-dione (CAS 5719-34-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1050615-7 (accessed 2026-11-09).

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