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(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride

CAS No.
88046-01-9
Chemical Name:
(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride
Synonyms
N-[4-[[(amino iminomethyl) thio]-methyl]-2-thiazolyl]-guanidine dihydrochloride (FMT-II);Famotidine Impurity 13;Iso Thiourea Hcl. (ITU);Famotidine Impurity H DiHCl;Famotidine EP Impurity H HCL;Famotidine Related Compound h;Famotidine EP Impurity H DiHCl;Famotidine Isothiourea Impurity;[2-[(Diaminomethylidene)amino]thiaz;Famotidine double salt intermediate
CBNumber:
CB3511561
Molecular Formula:
C6H11ClN6S2
Molecular Weight:
266.77
MDL Number:
MFCD01075760
MOL File:
88046-01-9.mol
MSDS File:
SDS
Last updated:2026-05-28 02:45:29
Product description Number Pack Size Price
S-(2-Guanidino-4-thiazolyl)methylisothiourea Dihydrochloride TRC-G835800-1G 1g $191
S-(2-Guanidino-4-thiazolyl)methylisothiourea Dihydrochloride TRC-G835800-10G 10g $1438
(S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride FG23710 100g $254
(S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride FG23710 250g $390
(S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride FG23710 500g $600
More product size

(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride Properties

Melting point >188oC (dec.)
storage temp. Refrigerator
solubility DMSO (Sparingly), Methanol (Slightly)
form Solid
color White to Off-White
PH 3.89 at 1000g/L
InChI InChI=1S/C6H10N6S2.ClH/c7-4(8)12-6-11-3(2-14-6)1-13-5(9)10;/h2H,1H2,(H3,9,10)(H4,7,8,11,12);1H
InChIKey DMXJVYCDETXZRR-UHFFFAOYSA-N
SMILES N(C1SC=C(CSC(N)=N)N=1)C(N)=N.Cl
LogP 1 at 30℃ and pH3.89
FDA UNII 3PZ8U72L9W

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H412-H302-H332-H402-H317
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P264-P270-P301+P312-P330-P501-P273-P501-P261-P271-P304+P340-P312
REACH Registrations Active

(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-G835800-1G S-(2-Guanidino-4-thiazolyl)methylisothiourea Dihydrochloride 88046-01-9 1g $191 2026-06-03 Buy
TRC TRC-G835800-10G S-(2-Guanidino-4-thiazolyl)methylisothiourea Dihydrochloride 88046-01-9 10g $1438 2026-06-03 Buy
Biosynth FG23710 (S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride 88046-01-9 100g $254 2026-06-04 Buy
Biosynth FG23710 (S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride 88046-01-9 250g $390 2026-06-04 Buy
Biosynth FG23710 (S)-(2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride 88046-01-9 500g $600 2026-06-04 Buy
Product number Packaging Price Buy
TRC-G835800-1G 1g $191 Buy
TRC-G835800-10G 10g $1438 Buy
FG23710 100g $254 Buy
FG23710 250g $390 Buy
FG23710 500g $600 Buy

(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride Chemical Properties,Uses,Production

Chemical Properties

Beige crystals, melting point 215-216°C (189-191.5°C).

Uses

Famotidine intermediate.

Definition

Famotidine EP Impurity H is chemically (S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride. It is also known as Famotidine Isothiourea Impurity . Famotidine EP Impurity H can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Famotidine.

(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride Preparation Products And Raw materials

Global( 175)Suppliers
Supplier Tel Email Country ProdList Advantage
Jinan Dexinjia Bio&Tech Co., Ltd
+86-0531-82375818 +86-15064153060 sales@jndxj.com China 1285 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806 sales@capot.com China 29640 60
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21585 55
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29812 58
Jinan Finer Chemical Co., Ltd
+86-531-88989536 +86-15508631887 sales@finerchem.com China 2950 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14332 58
Shanghai Yingrui Biopharma Co.,Ltd
21-33585366 export01@shyrchem.com CHINA 1319 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49979 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
Career Henan Chemica Co
+86-0371-86658258 +8613203830695 laboratory@coreychem.com China 30224 58

View Lastest Price from (S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Famotidine EP Impurity H pictures 2025-12-19 Famotidine EP Impurity H
88046-01-9
10mg 90%+ 10g Guangzhou PI PI BIOTECH INC
(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride pictures 2021-12-22 (S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride
88046-01-9
$100.00 1KG 98% 500ton/Month Qiuxian Baitai New Material Co., LTD
(S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride pictures 2021-11-24 (S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride
88046-01-9
$10.00 1Kg/Bag 99% 20 Tons Hebei Zhanyao Biotechnology Co. Ltd
Famotidine EP Impurity H DiHCl Famotidine Impurity H DiHCl N-[4-[[(amino iminomethyl) thio]-methyl]-2-thiazolyl]-guanidine dihydrochloride (FMT-II) Carbamimidothioic acid [2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl ester dihydrochloride N-(4-(((AMINOIMINOMETHYL)THIO)METHYL)-2-THIAZOLYL)GUANIDINE S-[(2-Guanidino-4-thiazolyl)methyl]isothiourea 2HCl S-[(2-Guanidino-4-thiazolyl)methyl]isothiourea dihydrochloride N-[4-(Aminoiminomethyl)Thiomethyl-2-Thiazolyl]Guanidine Dihydrochloride N"-[4-(Aminoiminomethyl)thiomethyl-2-thiazolyl]guanidine2HCl Carbamimidothioic acid(2-aminoiminomethyl)amino)-4-Thiazolyl)methyl ester (2-((diaminomethylene)amino)thiazol-4-yl)methyl carbamimidothioate diHCl Carbamimidothioic Acid [2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl Ester DiHCl S-(2-Guanidino-4-thiazolyl)methylisothiour Famotidine EP Impurity H Dihydrochloride Famotidine Impurity 13 Famotidine Isothiourea Impurity [2-[(Diaminomethylidene)amino]thiaz Famotidine Related Compound h (2-guanidinothiazol-4-yl)methyl carbamimidothioate dihydrochloride amino(methylsulfanyl)methaniminium chloride (S)-((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochlor... Famotidine Impurity H as Dihydrochloride Famotidine EP Impurity H as Dihydrochloride (2-Guanidinothiazol-4-yl)methyl carbamimidothioate dihydrochloride (Famotidine Impurity) Famotidine Impurity 13 (Famotidine EP Impurity H Dihydrochloride) Iso Thiourea Hcl. (ITU) ISO THIOUREA [(S)-((2-GUANIDINO-4-THIAZOLYL) METHYLISOTHIOUREA DIHYDROCHLORIDE](ITU) ((2-Guanidino-4-thiazolyl)methylisothiourea dihydrochloride S-[(2-Guanidino-4-thiazolyl)] isothiourea dihydrochloride Famotidine EP Impurity H HCL (2-carbamimidamido-1,3-thiazol-4-yl)methyl carbamimidothioate dihydrochloride 2-[(Diaminomethylidene)amino]thiazol-4-yl]methyl Carbamimidothioate Dihydrochloride (S)-((2-Guanidino-4-thiazolyl)methylisothiourea (2-guanidinothiazol-4-yl)methyl carbamimidothioate DiHCl (2-((diaminomethylene)amino)thiazol-4-yl)methyl carbamimidothioate dihydrochloride Famotidine double salt intermediate 88046-01-9 C6H12Cl2N6S2 C6H10N6S22HCl Heterocycles Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds