Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Choline, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Choline 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 Choline-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 Choline-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.
Choline Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1,2-Dioleoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-98146 | Not Available | Enquire |
| 1,2-Distearoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-98147 | Not Available | Enquire |
| 1,2-Distearoyl-sn-Glycero-3-Phosphorylcholine-d70 | Stable Isotopes | CS-O-60044 | 56952-01-3 | In Stock |
| 1-Arachidoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-97788 | Not Available | Enquire |
| 1-Docosahexaenoin-2-oleoyl 3-Phosphocholine-d9 | Stable Isotopes | CS-T-98142 | Not Available | Enquire |
| 1-Docosahexaenoyl-2-stearoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-98140 | Not Available | Enquire |
| 1-Docosahexaenoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-98143 | Not Available | Enquire |
| 1-Eicosapentaenoyl-sn-glycerol-3-phosphocholine-d9 | Stable Isotopes | CS-T-98135 | Not Available | Enquire |
| 1-Myristoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-97272 | Not Available | Enquire |
| 1-Palmitoyl-2-[3-(diphenylhexatriene)propanoyl]-sn-phosphati... | Stable Isotopes | CS-T-97935 | Not Available | Enquire |
| 1-Palmitoyl-2-oleoyl-sn-glycerol-3-phosphocholine-13C16 (Con... | Stable Isotopes | CS-T-95761 | 26853-31-6(Unlabelled) | Enquire |
| 1-Palmitoyl-2-oleoyl-sn-glycerol-3-phosphocholine-13C18 | Stable Isotopes | CS-T-94347 | 70778-75-5(unlabelled) | Enquire |
| 1-Palmitoyl-2-pyrenedecanoylphosphatidylcholine-d9 | Stable Isotopes | CS-T-97938 | 70700-33-3(Unlabelled) | Enquire |
| 2-Arachidonoyl-d11-sn-glycero-3-phosphocholine | Stable Isotopes | CS-T-98295 | Not Available | Enquire |
| 2-Docosahexaenoin-1-oleoyl 3-Phosphocholine-d9 | Stable Isotopes | CS-T-98141 | Not Available | Enquire |
| 2-Docosahexaenoyl-d5-sn-glycero-3-phosphocholine | Stable Isotopes | CS-T-98144 | Not Available | Enquire |
| 2-Eicosapentaenoyl-sn-glycerol-3-phosphocholine-d5 | Stable Isotopes | CS-T-98134 | Not Available | Enquire |
| 2-Oleoyl-sn-glycero-3-phosphocholine-d17 | Stable Isotopes | CS-T-97947 | 22248-65-3(Unlabelled) | Enquire |
| 2-Palmitoyl-sn-glycero-3-phosphocholine-d31 | Stable Isotopes | CS-T-97930 | Not Available | Enquire |
| 2-Stearoyl-d35-sn-glycero-3-phosphocholine | Stable Isotopes | CS-T-97895 | Not Available | Enquire |
| Acetylcholine-d9 Chloride | Stable Isotopes | CS-T-47176 | 344298-95-9 | In Stock |
| BETA-METHYLCHOLINE D3 | Stable Isotopes | CS-O-47307 | 7562-87-0(Unlabelled) | Enquire |
| beta-Methylcholine-D9 | Stable Isotopes | CS-O-47233 | 1400302-79-5 | Enquire |
| Choline Alfoscerate-d9 | Stable Isotopes | CS-EO-02453 | 2260669-07-4 | Enquire |
| Choline Fenofibrate-d6 | Stable Isotopes | CS-T-101670 | Not Available | Enquire |
| Choline-[13C2] Chloride (Solution) | Stable Isotopes | CS-I-00638 | 202190-49-6 | Enquire |
| Choline-[13C3] Chloride | Stable Isotopes | CS-I-00501 | 1129433-69-7 | Enquire |
| Choline-d13 tetraphenylborate | Stable Isotopes | CS-O-40612 | 94954-00-4 | Enquire |
| Choline-d4 Chloride | Stable Isotopes | CS-T-71603 | 285979-70-6 | In Stock |
| Choline-d6 Chloride (N,N-dimethyl-d6) | Stable Isotopes | CS-C-01383 | 67-48-1 (Unlabelled) | Enquire |
| Choline-d9 Phosphate Barium Salt Chloride | Stable Isotopes | CS-T-100616 | Not Available | Enquire |
| Choline-d9 tetraphenylborate | Stable Isotopes | CS-O-40613 | 94953-97-6 | Enquire |
| Diazoxide choline-d3 | Stable Isotopes | CS-O-59079 | 1098065-76-9 (Unlabeled) | Enquire |
| METHACHOLINE D3 | Stable Isotopes | CS-O-47306 | Not Available | Enquire |
| Methacholine-D9 | Stable Isotopes | CS-O-47232 | Not Available | Enquire |
| N-Palmitoyl-O-phosphocholine Serine-D9 | Stable Isotopes | CS-T-95559 | 2517555-53-0(Unlabelled) | Enquire |
| Palmitoyldocosahexaenoyl Phosphatidylcholine-d9 | Stable Isotopes | CS-T-97932 | Not Available | Enquire |
| Palmitoyleicosapentaenoyl Phosphatidylcholine-d9 | Stable Isotopes | CS-T-97933 | Not Available | Enquire |
| Propionylcholine-d9 Bromide (N,N,N-trimethyl-d9) | Stable Isotopes | CS-C-00597 | 16332-26-6(Unlabelled) | Enquire |
| rac-12-bis(Heptanoylthio)glycerophosphocholine-D9 | Stable Isotopes | CS-T-97470 | 210584-04-6(Unlabelled) | Enquire |
| sn-Glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-95553 | 2260669-07-4 | Enquire |
| Succinyl(choline-1,1,1`,1`,2,2,2`,2`-d8) Bromide | Stable Isotopes | CS-SN-00072 | 55-94-7(Unlabelled) | Enquire |
| Succinylcholine Chloride-13C6 | Stable Isotopes | CS-T-99830 | Not Available | Enquire |
| Succinylcholine iodide-D18 | Stable Isotopes | CS-O-44148 | 1025005-98-4 | Enquire |
| trans-9-Octadecenyl Phosphocholine-D9 | Stable Isotopes | CS-T-98525 | Not Available | Enquire |
| 1,2-Dimyristoyl-sn-glycero-3-phosphocholine D9 | Stable Isotopes | CS-T-93588 | 18194-24-6 (Unlabeled) | Enquire |
| 1-Palmitoyl-sn-glycero-3-phosphocholine-d9 | Stable Isotopes | CS-T-84023 | 182257-09-6 | Enquire |
| Acetylcholine D4 Chloride salt | Stable Isotopes | CS-O-15405 | 344298-94-8 | Enquire |
| Acetylcholine D9 Bromide | Stable Isotopes | CS-T-47175 | 93449-32-2 | Enquire |
| Acetylcholine-1,1,2,2-d4 Bromide | Stable Isotopes | CS-T-64432 | 93449-31-1 | Enquire |
| Acetylcholine-d16 Bromide | Stable Isotopes | CS-T-64465 | 347841-43-4 | Enquire |
| Chlorocholine Chloride D9 | Stable Isotopes | CS-T-50586 | 1219257-11-0 | Enquire |
| CHOLINE O-SULFATE D13 | Stable Isotopes | CS-R-00207 | 4858-96-2(Unlabeled) | Enquire |
| Choline-d13 Bromide (N,N,N-trimethyl-d9; 1,1,2,2-d4) | Stable Isotopes | CS-C-00809 | 203645-64-1 | Enquire |
| Choline-d13 Chloride (N,N,N-trimethyl-d9; 1,1,2,2-d4) | Stable Isotopes | CS-T-95067 | 352438-97-2 | Enquire |
| DL-A-PHOSPHATIDYLCHOLINE, DIHEXANOYL D40 | Stable Isotopes | CS-R-00068 | 53892-41-4(Unlabeled) | Enquire |
| DODECYLPHOSPHOCHOLINE D38 | Stable Isotopes | CS-R-00071 | 130890-78-7 | Enquire |
| L-α-Dilauroyl Phosphatidylcholine-d46 | Stable Isotopes | CS-T-52946 | 136565-60-1 | Enquire |
| Phosphocholine D9 Chloride Calcium Salt | Stable Isotopes | CS-T-60534 | 344299-43-0 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetylcholine | API | CS-ED-00182 | 51-84-3 | Enquire |
| Choline Bitartrate | API | CS-T-12856 | 87-67-2 | In Stock |
| Choline Chloride | API | CS-O-00533 | 67-48-1 | In Stock |
| Choline Salicylate | API | CS-T-51114 | 2016-36-6 | In Stock |
| Methacholine Chloride | API | CS-T-00945 | 62-51-1 | Enquire |
| Phosphorylcholine | API | CS-O-10958 | 107-73-3 | In Stock |
| Tricholine citrate | API | CS-ED-42250 | 546-63-4 | In Stock |
| Choline salicylate 80% | API | CS-O-54189 | 2016-36-6 | Enquire |
| Suberyl Dicholine | API | CS-T-61442 | 100930-12-9 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Palmitoyl-sn-glycero-3-phosphocholine | Impurity | CS-T-60131 | 17364-16-8 | In Stock |
| Acetyl choline chloride impurity-B | Impurity | CS-O-54103 | Not Available | In Stock |
| Diazoxide choline | Impurity | CS-O-56826 | 1098065-76-9 | Enquire |
| Dipropionyl-L-a-glycerophosphocholine | Impurity | CS-T-95891 | 66414-33-3 | Enquire |
| FENOFIBRIC ACID CHOLINE ETHER | Impurity | CS-O-53427 | ---- | Enquire |
| Uridine Diphosphate Choline | Impurity | CS-P-00891 | 99492-83-8 | Enquire |
| Uridine Diphosphate Choline (UDPC) Sodium Salt | Impurity | CS-O-48560 | 1772607-47-2 | Enquire |
| Uridine Diphosphate Choline Ammonium Salt | Impurity | CS-O-50964 | 99492-83-8(Freebase) | Enquire |
| β-Methylcholine | Impurity | CS-O-47231 | 7562-87-0 | Enquire |
| (S)-α-Glycerophosphocholine | Impurity | CS-T-79189 | 4217-84-9 | Enquire |
| 1,2-DIEICOSANOYL-SN-GLYCERO-3-PHOSPHOCHOLINE | Impurity | CS-DL-00596 | 61596-53-0 | Enquire |
| 1-Docosahexaenoyl-2-stearoyl-sn-glycero-3-phosphocholine | Impurity | CS-T-53930 | 99264-99-0 | Enquire |
| 1-O-Trityl-sn-glycero-3-phosphocholine | Impurity | CS-T-62574 | 103675-56-5 | Enquire |
| 1-Palmitoyl-2-[3-(diphenylhexatriene)propanoyl]-sn-phosphati... | Impurity | CS-T-60127 | 98014-38-1 | Enquire |
| 2-(N-Hexadecanoylamino)-4-nitrophenylphosphocholine Hydroxid... | Impurity | CS-T-55568 | 60438-73-5 | Enquire |
| 2-Carboxyethyl Methanethiosulfonate, Choline Ester Chloride ... | Impurity | CS-T-10411 | 1219378-82-1 | Enquire |
| 2-Palmitoyl-sn-glycero-3-phosphocholine | Impurity | CS-T-38612 | 66757-27-5 | Enquire |
| 2-Stearoyl-sn-glycero-3-phosphocholine | Impurity | CS-T-61416 | 4421-58-3 | Enquire |
| 6-(O-Phosphorylcholine)hydroxyhexanoic Acid | Impurity | CS-T-60547 | 73839-24-4 | Enquire |
| 6-Hexadecanoylamino-4-methylumbelliferyl Phosphorylcholine | Impurity | CS-T-55569 | 904315-61-3 | Enquire |
| Gemcitabine Diphosphate Choline | Impurity | CS-T-78938 | 1643126-46-8 | Enquire |
| Phosphocholine Chloride Calcium Salt Tetrahydrate | Impurity | CS-T-39824 | 72556-74-2 | Enquire |
| Uridine-5-diphosphocholine sodium salt | Impurity | CS-O-16830 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Carbamylcholine Chloride | Intermediate | CS-T-10229 | 51-83-2 | In Stock |
| Chlorocholine Chloride | Intermediate | CS-T-11290 | 999-81-5 | In Stock |
| Choline Dihydrogen Citrate | Intermediate | CS-P-00378 | 77-91-8 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Choline Hydroxide | Fine Chemicals | CS-O-34472 | 123-41-1 | In Stock |
| Lysophosphatidylcholine | Fine Chemicals | CS-O-35049 | 9008-30-4 | In Stock |
| Phosphatidylcholine (Soy) | Fine Chemicals | CS-T-93824 | 97281-47-5 | In Stock |
| Succinylcholine Chloride | Fine Chemicals | CS-O-02375 | 71-27-2 | In Stock |
| 1,2-Dioleoyl-sn-Glycero-3-Phosphocholine | Fine Chemicals | CS-ZH-03179 | 4235-95-4 | Enquire |
| 1,2-Dipalmitoylphosphatidylcholine | Fine Chemicals | CS-ZG-14098 | 2644-64-6 | Enquire |
| 4-Methylumbelliferyl Phosphocholine | Fine Chemicals | CS-T-58782 | 97055-84-0 | Enquire |
| 4-Nitrophenylphosphorylcholine | Fine Chemicals | CS-T-59572 | 21064-69-7 | Enquire |
| Choline | Fine Chemicals | CS-ZG-97566 | 62-49-7 | Enquire |
| Choline fluoride | Fine Chemicals | CS-BX-02648 | 4696-35-9 | Enquire |
| Cholinephosphoric acid | Fine Chemicals | CS-ED-02067 | 645-84-1 | Enquire |
| Octadecylphosphocholine | Fine Chemicals | CS-ED-01692 | 65956-63-0 | Enquire |
| p-Diazonium Phenylphosphorylcholine | Fine Chemicals | CS-T-52439 | 35697-91-7 | Enquire |
| S-Butyrylthiocholine chloride | Fine Chemicals | CS-T-94221 | 22026-63-7 | Enquire |
| Succinyl Monocholine Chloride | Fine Chemicals | CS-P-07544 | 5297-17-6 | Enquire |
| Thiocholine iodide | Fine Chemicals | CS-O-39510 | 7161-73-1 | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetylcholine chloride | Secondary Standards | CS-SS-24521-500MG | 60-31-1 | Enquire |
| Choline Bitartrate | Secondary Standards | CS-SS-24446-500MG | 87-67-2 | Enquire |
| Choline chloride | Secondary Standards | CS-SS-24269-500MG | 67-48-1 | Enquire |
| Choline Salicylate | Secondary Standards | CS-SS-26592 | 2016-36-6 | Enquire |
| Lysophosphatidylcholine | Secondary Standards | CS-SS-25441-250MG | 9008-30-4 | Enquire |
| Methacholine Chloride | Secondary Standards | CS-SS-24871-1GM | 62-51-1 | Enquire |
| Phosphatidylcholine (Soy) | Secondary Standards | CS-SS-25450-250MG | 97281-47-5 | Enquire |
| Succinylcholine Chloride | Secondary Standards | CS-SS-25457-1GM | 6101-15-1 | Enquire |
| Succinylmonocholine Chloride | Secondary Standards | CS-SS-25458-250MG | 5297-17-6 | Enquire |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetylcholine-d13 Bromide (N,N,N-trimethyl-d9; 1,1,2,2-d4) | Stable Isotope Reagent | CS-C-00840 | 66-23-9 (Unlabelled) | Enquire |
| Beta-Methylcholine Chloride D3 | Stable Isotope Reagent | CS-O-53600 | 2382-43-6 (Unlabelled) | Enquire |
| Carbamoylcholine-d9Chloride (N,N,N- trimethyl-d9 ) | Stable Isotope Reagent | CS-C-01733 | Not Available | Enquire |
| Choline-d9 Chloride | Stable Isotope Reagent | CS-T-51115 | 61037-86-3 | In Stock |
| n-Dodecylphosphocholine (unlabelled) | Stable Isotope Reagent | CS-C-01938 | 29557-51-5 | Enquire |
| Succinyl(choline-1,1,1',1',2,2,2',2'-d8) Bromide | Stable Isotope Reagent | CS-C-01600 | Not Available | Enquire |
| Choline bromide D9 | Stable Isotope Reagent | CS-BX-00338 | 285979-71-7 | Enquire |
| Choline Chloride 13C2 | Stable Isotope Reagent | CS-BE-00055 | 67-48-1(Unlabeled) | Enquire |
| Choline-1,1,2,2-D4 bromide | Stable Isotope Reagent | CS-BX-00339 | 285979-69-3 | Enquire |
| n-Dodecyl-d25-phosphocholine | Stable Isotope Reagent | CS-C-01504 | 861924-55-2 | Enquire |
| n-Tetradecylphosphocholine-d42 | Stable Isotope Reagent | CS-C-01044 | 869638-98-2 | Enquire |
Biochemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetylcholine Bromide 98% | Biochemicals | CS-SR-00213 | 66-23-9 | Enquire |
| Acetylcholine Chloride 99% | Biochemicals | CS-SR-00221 | 60-31-1 | Enquire |
| Acetylcholine Chloride Multi-Compendial, 99% | Biochemicals | CS-SR-00222 | 60-31-1 | Enquire |
| Acetylcholine Iodide 99% | Biochemicals | CS-SR-00223 | 2260-50-6 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ethoxy Choline Chloride | Building Blocks | CS-T-95842 | 6343-89-1 | Enquire |
| sn-Glycero-3-phosphocholine | Building Blocks | CS-T-55400 | 28319-77-9 | In Stock |