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2-Amino-1H-imidazol-5(4H)-one hydrochloride

Also known as: glycocyamidine, glycollylguanidine, glycocyamidine hydrochloride, 2-Amino-1,5-dihydro-imidazol-4-one hydrochloride, 2-Amino-1H-imidazol-5(4H)-one HCl

2-Amino-1H-imidazol-5(4H)-one hydrochloride (CAS 18221-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H6ClN3O and a molecular weight of 135.55200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18221-88-0
Jingsj CID
J-32281-6
Molecular Formula
C3H6ClN3O
Molecular Weight
135.55200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass135.02000
PSA68.47000
LogP0.14700

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. 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 2-Amino-1H-imidazol-5(4H)-one hydrochloride?

The CAS number of 2-Amino-1H-imidazol-5(4H)-one hydrochloride is 18221-88-0.

What are the molecular formula and molecular weight of 2-Amino-1H-imidazol-5(4H)-one hydrochloride?

2-Amino-1H-imidazol-5(4H)-one hydrochloride has molecular formula C3H6ClN3O and molecular weight 135.55200 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Amino-1H-imidazol-5(4H)-one hydrochloride (CAS 18221-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32281-6 (accessed 2026-11-06).

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