5-Chlorobarbituric acid

Also known as: 5-Chloro-2,4,6(1H,3H,5H)-pyrimidinetrione, 5-Chloropyrimidine-2,4,6(1H,3H,5H)-trione, 5-chloro-1,3-diazinane-2,4,6-trione, 5-Chlorobarbituric, 5-Chlorobarbituric acid,98%, 5-chloro-pyrimidine-2,4,6-trione, 6(1h,3h,5h)-pyrimidinetrione,5-chloro-4, AURORA KA-5447, Barbituric acid,5-chloro, EINECS 243-200-5, TIMTEC-BB SBB003941

5-Chlorobarbituric acid (CAS 19645-77-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O3 and a molecular weight of 162.53100 g/mol. Key properties include a melting point of 320ºC and a density of 1.69 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19645-77-3
Jingsj CID: J-47351-8
Molecular Formula: C₄H₃ClN₂O₃
Molecular Weight: 162.53100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	320ºC
Density	1.69 g/cm3
Exact Mass	161.98300
PSA	75.27000
Refractive Index	1.561

Customs & Trade Information

HS Code	2933540000
Summary	2933540000 other derivatives of malonylurea (barbituric acid); salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Chlorobarbituric acid?

The CAS number of 5-Chlorobarbituric acid is 19645-77-3.

What are the molecular formula and molecular weight of 5-Chlorobarbituric acid?

5-Chlorobarbituric acid has molecular formula C4H3ClN2O3 and molecular weight 162.53100 g/mol.

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-Chlorobarbituric acid (CAS 19645-77-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47351-8 (accessed 2026-11-09).

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