4-Methylthiazol-2-ylguanidine hydrochloride

4-甲基噻唑-2-基胍盐酸盐

Also known as: Famotidine Impurity 1 HCl, Famotidine Impurity 1 Hydrochloride, 1-(4-Methylthiazol-2-yl)guanidine Hydrochloride, 1-(4-Methyl-1,3-thiazol-2-yl)guanidine hydrochloride, N-(4-Methyl-1,3-thiazol-2-yl)guanidine hydrochloride, Guanidine, N-(4-methyl-2-thiazolyl)-, hydrochloride (1:1), 2-(4-methyl-1,3-thiazol-2-yl)guanidine hydrochloride

4-Methylthiazol-2-ylguanidine hydrochloride (CAS 100599-91-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9ClN4S and a molecular weight of 192.670 g/mol. It is also known as Famotidine Impurity 1 HCl, Famotidine Impurity 1 Hydrochloride and 1-(4-Methylthiazol-2-yl)guanidine Hydrochloride. Key properties include a melting point of 198-200ºC, a boiling point of 346.7ºC at 760mmHg and a flash point of 163.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
100599-91-5
Jingsj CID
J-1526378-2
Molecular Formula
C5H9ClN4S
Chinese Name
4-甲基噻唑-2-基胍盐酸盐
Molecular Weight
192.670 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point198-200ºC
Boiling Point346.7ºC at 760mmHg
Flash Point163.5ºC

Frequently Asked Questions

What is the CAS number of 4-Methylthiazol-2-ylguanidine hydrochloride?

The CAS number of 4-Methylthiazol-2-ylguanidine hydrochloride is 100599-91-5.

What are the molecular formula and molecular weight of 4-Methylthiazol-2-ylguanidine hydrochloride?

4-Methylthiazol-2-ylguanidine hydrochloride has molecular formula C5H9ClN4S and molecular weight 192.670 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methylthiazol-2-ylguanidine hydrochloride (CAS 100599-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526378-2 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.