Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Guanidine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Guanidine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Guanidine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Guanidine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Guanidine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(4-Cyclopropyl-6-methylpyrimidin-2-yl)-3-phenylguanidine-1... | Stable Isotopes | CS-T-102372 | Not Available | Enquire |
| 1,1-Dimethyl-d6-2,3-bis(tert-butyloxycarbonyl)guanidine | Stable Isotopes | CS-T-101494 | Not Available | Enquire |
| 4-Aminobutyl-d8 Guanidine Dihydrochloride | Stable Isotopes | CS-T-97044 | Not Available | Enquire |
| 4-Aminobutyl-d8 Guanidine Tri-tert-butyl Ester | Stable Isotopes | CS-T-97043 | Not Available | Enquire |
| Guanidine-15N3 Hydrobromide | Stable Isotopes | CS-T-100256 | Not Available | Enquire |
| N,N'-Diphenylguanidine-d10 | Stable Isotopes | CS-T-100418 | Not Available | Enquire |
| Phenylguanidine Nitrate-d5 | Stable Isotopes | CS-T-99885 | Not Available | Enquire |
| Sulfaguanidine-D4 | Stable Isotopes | CS-T-94033 | 57-67-0 unlabelled | Enquire |
| 1-(4-Bromomethyl-2-thiazoyl)guanidine 13C3, Hydrobromide Sal... | Stable Isotopes | CS-T-49536 | 1329835-03-1 (Freebase) | Enquire |
| 1-(4-Chloromethyl-2-thiazoyl)guanidine-13C3 Hydrochloride Sa... | Stable Isotopes | CS-T-72348 | 1189443-23-9 | Enquire |
| 2,3-Dichlorobenzamidyl Guanidine 13C2 | Stable Isotopes | CS-T-52561 | 1185047-08-8 | Enquire |
| Acetylguanidine 13C,15N3 | Stable Isotopes | CS-CX-00343 | 5699-40-1 | Enquire |
| Guanidine-15N3 Hydrochloride | Stable Isotopes | CS-T-78021 | 121616-39-5 | Enquire |
| N-Methylguanidine D3 | Stable Isotopes | CS-T-58812 | 1020719-65-6 | Enquire |
| N-Methylguanidine-d3 Hydrochloride | Stable Isotopes | CS-T-58246 | 1246820-23-4 | Enquire |
| Sulfaguanidine-13C6 | Stable Isotopes | CS-W-00513 | 57-67-0(Unlabelled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Sulfaguanidine | API | CS-O-11748 | 57-67-0 | In Stock |
| Acetylsulfaguanidine | API | CS-O-36716 | 19077-97-5 | Enquire |
| Aminoguanidine Nitrate | API | CS-T-02678 | 10308-82-4 | Enquire |
| Guanidine acetate | API | CS-ED-00988 | 593-87-3 | Enquire |
| Guanidine Phosphate | API | CS-O-16591 | Not Available | Enquire |
| Hydroxyguanidine | API | CS-T-78864 | 13115-21-4 | Enquire |
| Sulfaguanidine monohydrate | API | CS-K-00257 | 6190-55-2 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1,1-Dimethyl-2,3-bis(tert-butyloxycarbonyl)guanidine | Metabolite | CS-T-91878 | 215170-99-3 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-(4-(CHLOROMETHYL)-4-HYDROXY-2-THIAZOLIN-2-YL)GUANIDINE HYD... | Impurity | CS-O-44556 | 95907-33-8 | Enquire |
| 2-(5-(chloromethyl)thiazol-2-yl)guanidine | Impurity | CS-O-44898 | 1378820-83-7 | Enquire |
| Guanidine Hydrochloride | Impurity | CS-O-11663 | 50-01-1 | In Stock |
| N-cyanophenyl guanidine | Impurity | CS-SN-00151 | Not Available | Enquire |
| 1-(4-(chloromethyl)-4-hydroxy-4,5-dihydrothiazol-2-yl)guanid... | Impurity | CS-ED-02047 | 95907-34-9 | Enquire |
| 1-β-D-Ribofuranosyl-3-aminocarbonyl guanidine | Impurity | CS-O-13992 | Not Available | Enquire |
| 1-β-D-Ribofuranosyl-3-iminohydroxymethyl guanidine | Impurity | CS-O-13993 | Not Available | Enquire |
| Adrenochrome Monoaminoguanidine Mesilate | Impurity | CS-T-01417 | 4009-68-1 | Enquire |
| N-Cyano-N',N''-dimethylguanidine | Impurity | CS-T-89515 | 1609-06-9 | Enquire |
| N-(4-Oxo-4,5-dihydro-1,3-thiazol-2-yl)guanidine | Impurity | CS-M-47521 | 41812-62-8 | Enquire |
| N-[(6-Chloro-3-pyridinyl)methyl]-N-(2,2-diethoxyethyl)-N’-ni... | Impurity | CS-T-72267 | 155802-59-8 | Enquire |
| N-[(6-Chloro-3-pyridinyl)methyl]-N’-(2,2-diethoxyethyl)-N’’-... | Impurity | CS-T-72070 | 330559-99-4 | Enquire |
| N-1,3-Benzoxazol-2-ylguanidine | Impurity | CS-M-25435 | 39123-82-5 | Enquire |
| N-1H-Benzimidazol-2-ylguanidine | Impurity | CS-M-47140 | 5418-95-1 | Enquire |
| N-Formylguanidine | Impurity | CS-T-76958 | 4471-51-6 | Enquire |
| N-Methylguanidine Hydrochloride | Impurity | CS-T-33922 | 21770-81-0 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(4-Chloromethyl-2-thiazoyl)guanidine Hydrochloride Salt | Intermediate | CS-T-50847 | 69014-12-6 | In Stock |
| 1,1,3,3-Tetramethylguanidine | Intermediate | CS-T-61937 | 80-70-6 | In Stock |
| 1,3-Diaminoguanidine hydrochloride | Intermediate | CS-MM-09830 | 36062-19-8 | In Stock |
| 1,3-Diphenylguanidine | Intermediate | CS-ED-26773 | 102-06-7 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N1-Beta-D-Galactopyranosylamino-guanidine Hydrochloride | Glucuronide | CS-N-00092 | 109853-84-1 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Aminoguanidine (hydrochloride) | Fine Chemicals | CS-ZE-24901 | 1937-19-5 | In Stock |
| Guanidine Nitrate | Fine Chemicals | CS-T-25727 | 506-93-4 | In Stock |
| N-Cyano-N′-[4-(4-morpholinyl)phenyl]guanidine | Fine Chemicals | CS-O-54942 | 454646-55-0 | Enquire |
| N-Nitroguanidine | Fine Chemicals | CS-M-42980 | 556-88-7 | In Stock |
| Tricyclohexylguanidine | Fine Chemicals | CS-T-87166 | 4833-41-4 | Enquire |
| 1,2,3-Triisopropylguanidine | Fine Chemicals | CS-O-36903 | 121948-77-4 | Enquire |
| 1,3-Di-o-tolylguanidine | Fine Chemicals | CS-ZG-32340 | 97-39-2 | Enquire |
| 1-methyl-1-nitro-guanidine | Fine Chemicals | CS-ED-00281 | 62409-38-5 | Enquire |
| 2-(4-(CHLOROMETHYL)THIAZOL-2-YL)GUANIDINE | Fine Chemicals | CS-ZG-14990 | 81152-53-6 | Enquire |
| 2-[8-[8-(Diaminomethylideneamino)octylamino]octyl]guanidine | Fine Chemicals | CS-ZH-16997 | 13516-27-3 | Enquire |
| 2-phenyl-butyryl guanidine | Fine Chemicals | CS-O-33868 | Not Available | Enquire |
| Aminoguanidine sulfate monohydrate | Fine Chemicals | CS-MM-04064 | 996-19-0 | Enquire |
| Ethylene Guanidine | Fine Chemicals | CS-T-22071 | 26893-38-9 | Enquire |
| Guanidine carbonate | Fine Chemicals | CS-DB-00091 | 593-85-1 | Enquire |
| N-(2-Hydroxyethyl)guanidine hydrochloride | Fine Chemicals | CS-MM-06324 | 63885-25-6 | Enquire |
| Polyhexamethyleneguanidine | Fine Chemicals | CS-ZH-20573 | 57028-96-3 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(4-morpholinophenyl)-2-nitrosoguanidine | Nitrosamine | CS-O-54265 | --- | Discontinued |
| 1-cyano-1,2-dinitrosoguanidine | Nitrosamine | CS-O-57070 | ---- | Enquire |
| N-Cyano-N′-nitrosoguanidine | Nitrosamine | CS-O-57071 | 1132887-26-3 | Enquire |
| N-Methyl-N-nitro-N′-nitrosoguanidine | Nitrosamine | CS-O-45793 | 26305-08-8 | Enquire |
| N'-Nitro-N-nitroso-N-methylguanidine | Nitrosamine | CS-T-59384 | 70-25-7 | In Stock |
| N-Nitroso Imatinib guanidine Intermediate | Nitrosamine | CS-O-46449 | Not Available | Discontinued |
| N-Nitroso-Cyanoguanidine | Nitrosamine | CS-O-41712 | ---- | Enquire |
| 1,3-dinitrosoguanidine | Nitrosamine | CS-EO-01371 | Not Available | Enquire |
| Nitrosoguanidine | Nitrosamine | CS-ED-01250 | 674-81-7 | Enquire |
| N-Nitro-N-nitroso-N-propylguanidine | Nitrosamine | CS-T-59385 | 13010-07-6 | Enquire |
| N-Nitroso Sulfaguanidine | Nitrosamine | CS-O-39134 | Not Available | Enquire |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Aminoguanidine hemisulfate 13C,15N2 | Stable Isotope Reagent | CS-O-47750 | 996-19-0 (Unlabelled) | Enquire |
| Aminoguanidine-13C Bicarbonate | Stable Isotope Reagent | CS-T-103154 | 2706536-53-8 | Enquire |
| Guanidineacetic-2,2-d2 Acid | Stable Isotope Reagent | CS-C-01093 | 1173020-63-7 | Enquire |
| Guanidine-d5 Hydrochloride-d | Stable Isotope Reagent | CS-T-55461 | 108694-93-5 | In Stock |
| N-Phenylguanidine-13C6 | Stable Isotope Reagent | CS-T-104035 | 2002-16-6(unlablled) | Enquire |
| Aminoguanidine hemisulfate 13C,15N4 | Stable Isotope Reagent | CS-CX-00360 | 478189-68-3 (Freebase) | Enquire |
| Cyanoguanidine-15N4 | Stable Isotope Reagent | CS-T-89218 | 63419-77-2 | Enquire |
| Guanidine-13C,15N3 Hydrochloride | Stable Isotope Reagent | CS-T-78060 | 285977-73-3 | Enquire |
Biochemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Guanidine Hydrochloride (GHC) for molecular biology, 99.5% | Biochemicals | CS-SR-00082 | 50-01-1 | Enquire |
| Guanidine Thiocyanate (GTC) for molecular biology, 99% | Biochemicals | CS-SR-00083 | 593-84-0 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Aminoguanidine Hydrochloride | Building Blocks | CS-CA-00431 | 16139-18-7 | In Stock |