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MedKoo CAT#: 526579

CAS#: 85604-00-8 (free base)

Description: Zaltidine, also known as CP-57,361, is an effective but hepatotoxic H2-receptor antagonist. Zaltidine appears to be an effective treatment of duodenal ulcer. However, the incidence of hepatic damage (8%) seems higher than with commonly used H2-receptor antagonists.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-10-25. Prices are subject to change without notice.

Zaltidine is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 526579
Name: Zaltidine
CAS#: 85604-00-8 (free base)
Chemical Formula: C8H10N6S
Exact Mass: 222.0688
Molecular Weight: 222.27
Elemental Analysis: C, 43.23; H, 4.54; N, 37.81; S, 14.42

Related CAS #: 85604-00-8 (free base)   90274-23-0 (HCl)    

Synonym: Zaltidine; CP-57,361; CP 57,361; CP57,361; CP-57361; CP 57361; CP57361;CP-57361-01.

IUPAC/Chemical Name: 1-(4-(2-methyl-1H-imidazol-4-yl)thiazol-2-yl)guanidine


InChi Code: InChI=1S/C8H10N6S/c1-4-11-2-5(12-4)6-3-15-8(13-6)14-7(9)10/h2-3H,1H3,(H,11,12)(H4,9,10,13,14)


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO, not in water

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:

Additional Information

Related CAS#
85604-00-8 (Zaltidine free base)
90274-23-0 (Zaltidine hydrochloride)


1: Farup PG. Zaltidine: an effective but hepatotoxic H2-receptor antagonist. Scand J Gastroenterol. 1988 Aug;23(6):655-8. PubMed PMID: 2902681.

2: Laferla G, Buchanan N, Hearns J, Crean GP, McColl KE, Clucas AT. The antisecretory effects of zaltidine, a novel long-acting H2-receptor antagonist, in healthy volunteers and in subjects with a past history of duodenal ulcer. Br J Clin Pharmacol. 1986 Oct;22(4):395-9. PubMed PMID: 2876724; PubMed Central PMCID: PMC1401146.

3: Hunter RP, Canning PC, Hassfurther R. Plasma analysis and pharmacokinetics of zaltidine, an H2-antagonist, in cattle after intravenous, intramuscular, subcutaneous, and oral administration. J Vet Pharmacol Ther. 1996 Aug;19(4):326-8. PubMed PMID: 8866466.