Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Thiamine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Thiamine 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 Thiamine-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 Thiamine-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.
Thiamine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 13C4 Thiamine | Stable Isotopes | CS-O-44947 | 2494124-99-9 | Enquire |
| 3-(N-Maleimido)propionate Thiamine-d4 | Stable Isotopes | CS-T-100094 | Not Available | Enquire |
| Thiamine Benzoate-d5 Hydrochloride | Stable Isotopes | CS-T-99077 | Not Available | Enquire |
| Thiamine hydrochloride phosphate-d3 | Stable Isotopes | CS-T-99792 | Not Available | Enquire |
| Thiamine monochloride-C13 hydrochloride | Stable Isotopes | CS-O-57404 | 67-03-8(Unlabelled) | Enquire |
| Thiamine-13C3 Hydrochloride | Stable Isotopes | CS-T-94070 | 67-03-8 (unlabelled) | Enquire |
| Thiamine-d4 HCl | Stable Isotopes | CS-P-08543 | 67-03-8 (Unlabelled) | Enquire |
| Thiothiamine-13C3 | Stable Isotopes | CS-T-98700 | Not Available | Enquire |
| Thiamine d3 Hydrochloride | Stable Isotopes | CS-O-16964 | Not Available | Enquire |
| Thiamine-[13C4].Hydrochloride | Stable Isotopes | CS-I-00110 | 1257525-77-1 | Enquire |
| Thiamine-d3 Pyrophosphate Chloride (d3-Major) | Stable Isotopes | CS-T-93735 | 154-87-0 (Unlabeled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Benfotiamine | API | CS-O-06198 | 22457-89-2 | In Stock |
| Oxythiamine Hydrochloride | API | CS-EO-03902 | 614-05-1 | Enquire |
| Thiamine Disulfide Hydrate | API | CS-T-61990 | 67-16-3 | In Stock |
| Thiamine hydrobromide | API | CS-O-44397 | 4234-86-0 | Enquire |
| Thiamine Hydrochloride | API | CS-O-30783 | 67-03-8 | In Stock |
| Toxopyrimidine | API | CS-M-56031 | 73-67-6 | In Stock |
| Vitamin B1 | API | CS-O-02560 | 70-16-6 | In Stock |
| ALLITHIAMINE | API | CS-DV-03462 | 554-44-9 | Enquire |
| Oxythiamine | API | CS-ED-01932 | 136-16-3 | Enquire |
| Pyrithiamine | API | CS-T-41212 | 534-64-5 | Enquire |
| Thiochrome | API | CS-ED-01047 | 92-35-3 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Thiamine Sulfate | Metabolite | CS-T-61989 | 2380-61-2 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2'-Nor Thiamine | Impurity | CS-ZH-39995 | 7770-93-6(Freebase) | Enquire |
| 2-Nor Thiamine | Impurity | CS-P-00220 | 7770-93-6 | Enquire |
| 2-Nor Thiamine Hydrochloride Salt | Impurity | CS-T-62882 | 49614-72-4 | In Stock |
| Cocarboxylase Tetrahydrate | Impurity | CS-P-00907 | 68684-55-9 | In Stock |
| Oxo Thiamine | Impurity | CS-T-38369 | 490-82-4 | In Stock |
| Thiamine carboxamide Impurity | Impurity | CS-O-57770 | 7389-14-2 | Enquire |
| Thiamine Disulfide | Impurity | CS-EO-03900 | 1899166-52-9 | Enquire |
| Thiamine EP Impurity B (Bromide) | Impurity | CS-EO-03901 | 7771-57-5 (Freebase) | Enquire |
| Thiamine EP Impurity B Hydrobromide | Impurity | CS-O-44131 | Not Available | Enquire |
| Thiamine EP Impurity B Hydrobromide | Impurity | CS-EO-03899 | 7770-93-6 (Freebase) | Enquire |
| Thiamine EP Impurity C | Impurity | CS-EO-00058 | 20166-17-0 | In Stock |
| Thiamine EP Impurity E | Impurity | CS-O-31156 | 299-35-4 | In Stock |
| Thiamine Impurity 25 | Impurity | CS-T-95969 | 2169341-54-0 | Enquire |
| Thiamine Impurity 25 DiHCl salt | Impurity | CS-P-09210 | 2169341-54-0 (Freebase) | Enquire |
| Thiamine Impurity 5 | Impurity | CS-EO-01830 | Not Available | Enquire |
| Thiamine Impurity 6 Dihydrochloride | Impurity | CS-T-01878 | 874-43-1 | In Stock |
| Thiamine Monophosphate Chloride Dihydrate | Impurity | CS-ZG-68287 | 273724-21-3 | Enquire |
| Thiamine phosphoric acid ester phosphate salt | Impurity | CS-O-46978 | 635-97-2 | Enquire |
| Thiamine Pyrophosphate Chloride | Impurity | CS-T-44112 | 154-87-0 | In Stock |
| Thiamine Triphosphate | Impurity | CS-T-87207 | 3475-65-8 | In Stock |
| (3R)-3-({[(4-amino-2-methylpyrimidin-5-yl)methyl]carbamothio... | Impurity | CS-O-35622 | Not Available | Enquire |
| 5-(chloromethyl)-2-methylpyrimidin-4-amine | Impurity | CS-O-37763 | 189745-28-6 | Enquire |
| 5-(methoxymethyl)-2-methylpyrimidin-4-amine | Impurity | CS-O-39037 | 769-82-4 | Enquire |
| Ethyl Thiamine | Impurity | CS-T-23210 | 3505-34-8 | Enquire |
| Thiamine Acetate Hydrochloride | Impurity | CS-T-44114 | 1037-29-2 | Enquire |
| Thiamine Benzoate Hydrochloride | Impurity | CS-T-86420 | 1052-32-0 | Enquire |
| Thiamine EP Impurity B | Impurity | CS-EO-00057 | 7771-57-5 | Enquire |
| Thiamine EP Impurity F | Impurity | CS-EO-00496 | 10593-44-9 | Enquire |
| Thiamine Impurity 1 | Impurity | CS-EO-00497 | 7403-34-1 | Enquire |
| Thiamine Impurity 3 | Impurity | CS-EO-01828 | Not Available | Enquire |
| Thiamine Impurity 4 | Impurity | CS-EO-01829 | Not Available | Enquire |
| Thiamine Impurity G | Impurity | CS-P-00225 | Not Available | Enquire |
| Thiamine Thiocarbamate | Impurity | CS-T-44116 | 89285-03-0 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Methyl-5-thiazoleethanol | Intermediate | CS-T-35171 | 137-00-8 | Enquire |
| Oxythiamine Chloride | Intermediate | CS-O-15558 | 582-36-5 | In Stock |
| Thiamine Nitrate | Intermediate | CS-T-86364 | 532-43-4 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Formylaminopyrimidine | Fine Chemicals | CS-T-02668 | 1886-34-6 | In Stock |
| Thiamine monohydrate | Fine Chemicals | CS-O-30781 | Not Available | In Stock |
| Thiamine mononitrate | Fine Chemicals | CS-O-30785 | 532-43-4 | In Stock |
| 4-Amino-5-aminomethyl-2-methylpyrimidine | Fine Chemicals | CS-M-55521 | 95-02-3 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Thiamine Impurity 1 | Nitrosamine | CS-O-54757 | ---- | Enquire |
| N-Nitroso Thiamine Impurity F | Nitrosamine | CS-O-58385 | ---- | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ethylthiamine HCl | Secondary Standards | CS-SS-25072-100MG | Not Available | Enquire |
| Thiamine Disulfide | Secondary Standards | CS-SS-25116-1GM | 67-16-3 | Enquire |
| Thiamine hydrochloride | Secondary Standards | CS-SS-24093-1GM | 67-03-8 | Enquire |
| Thiamine Impurity A | Secondary Standards | CS-SS-24922-20MG | Not Available | Enquire |
| Thiamine Impurity B | Secondary Standards | CS-SS-24923-20MG | 49614-72-4 | Enquire |
| Thiamine Impurity C | Secondary Standards | CS-SS-24924-20MG | Not Available | Enquire |
| Thiamine Impurity D | Secondary Standards | CS-SS-25071-100MG | 490-82-4 | Enquire |
| Thiamine Impurity E | Secondary Standards | CS-SS-24708-20MG | 299-35-4 | Enquire |
| Thiamine Impurity G | Secondary Standards | CS-SS-25073-100MG | 1037-29-2 | Enquire |
| Thiamine Impurity I | Secondary Standards | CS-SS-25074-50MG | 13100-57-7 | Enquire |
| Thiamine Nitrate | Secondary Standards | CS-SS-24342-1GM | 532-43-4 | Enquire |
| Thiamine pyrophosphate | Secondary Standards | CS-SS-24370-500MG | 154-87-0 | Enquire |
| Thiamine Thiocarbamate | Secondary Standards | CS-SS-25107-100MG | 89285-03-0 | Enquire |
Pharmaceutical Stds.
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ethyl Thiamine Bromide Hydrobromide | Pharmaceutical Stds. | CS-TB-47810 | 6309-04-2 | Enquire |
Biochemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Thiamine Hydrochloride for tissue culture, 98.5% | Biochemicals | CS-SR-00442 | 67-03-8 | Enquire |
| Thiamine Hydrochloride pure, 98.5% | Biochemicals | CS-SR-00443 | 67-03-8 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-(((4-amino-2-methylpyrimidin-5-yl)methyl)thio)-5-hydroxype... | Building Blocks | CS-O-44998 | 2410791-57-8 | Enquire |