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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Phenothiazine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Phenothiazine 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 Phenothiazine-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.

Phenothiazine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+/-)-Promethazine-d4 HCl (phenothiazine-1,3,7,9-d4) Stable Isotopes CS-C-00530 1173018-74-0 Enquire
2-Chloro-10-[3-[[3-(dimethyl-d6-amino)propyl]methylamino]pro... Stable Isotopes CS-T-99330 Not Available Enquire
2-Chloro-7-(methoxymethoxy)-N,N-dimethyl-10H-phenothiazine-1... Stable Isotopes CS-T-98743 Not Available Enquire
2-Methoxy Phenothiazine-D3 Stable Isotopes CS-T-102627 1771-18-2(Unlabelled) Enquire
N-(2-Propenyl)-2-methylsulfonyl-10H-phenothiazine-d5 Stable Isotopes CS-T-85169 1794940-43-4 Enquire
Phenothiazine-d8 Stable Isotopes CS-C-01121 1219803-41-4 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Ethylthiophenothiazine Metabolites CS-T-92166 46815-10-5 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2-(Methylsulfonyl)phenothiazine 5,5-Dioxide" Impurities CS-T-82425 1391051-98-1 Enquire
10-(3-bromopropyl)-2-(trifluoromethyl)-10H-phenothiazine 5-o... Impurities CS-O-47207 Not Available Enquire
10-(3-Bromopropyl)phenothiazine Impurities CS-T-08847 92357-95-4 Enquire
10-(3-chloropropyl)-2-(methylsulfonyl)-10H-phenothiazine Impurities CS-ED-01879 40051-30-7 Enquire
10-(3-chloropropyl)-2-(trifluoromethyl)-10H-phenothiazine 5-... Impurities CS-O-47208 70519-17-4 In Stock
10-(3-Dimethylamino-2-methylpropyl)phenothiazine-5-oxide Mal... Impurities CS-T-52956 119570-59-1 Enquire
10-[3-(Dimethylamino)propyl]-α-ethyl-10H-phenothiazine-... Impurities CS-T-53406 89453-67-8 Enquire
10H-Phenothiazine 5,5-dioxide Impurities CS-O-40948 1209-66-1 Enquire
10-nitroso-2-(trifluoromethyl)-10H-phenothiazine 5-oxide Impurities CS-O-53810 Not Available In Stock
2-(Methylsulfonyl) Phenothiazine Impurities CS-T-34967 23503-68-6 Enquire
2-(Methylsulfonyl)phenothiazine 5-Oxide Impurities CS-T-34968 23503-67-5 Enquire
2,2'-dichloro-10-(3-(4-methylpiperazin-1-yl)propyl)-10H-3,10... Impurities CS-O-35840 1310578-36-9 In Stock
2-Acetyl Phenothiazine Impurities CS-T-47365 6631-94-3 In Stock
2-chloro-10H-phenothiazine 5-oxide Impurities CS-ED-00343 1927-43-1 Enquire
2-Cyano Phenothiazine Impurities CS-O-07707 38642-74-9 In Stock
2-Dimethylsulfonamidophenothiazine Impurities CS-T-91541 1090-78-4 Enquire
2-Methoxy Phenothiazine Impurities CS-T-32698 1771-18-2 In Stock
2-Propionyl Phenothiazine Impurities CS-T-40691 92-33-1 Enquire
2-Propionyl Phenothiazine N-Carboxylic Acid 3-(Dimethylamino... Impurities CS-T-40692 1195865-71-4 Enquire
3-Butyrylphenothiazine Impurities CS-T-70600 25244-91-1 Enquire
3-Chloro-10H-phenothiazine Impurities CS-T-72585 1207-99-4 Enquire
4-Methoxy-10H-phenothiazine Impurities CS-O-44525 61174-11-6 Enquire
Ethyl phenothiazine-2-carbamate Impurity Impurities CS-O-59197 37711-29-8 Enquire
N,2-Dipropionyl Phenothiazine Impurities CS-T-53852 887354-89-4 Enquire
N,N,a-Trimethyl-10H-phenothiazine-10-acetamide Impurities CS-T-88129 86382-43-6 Enquire
N-Allylphenothiazine Impurities CS-T-01717 20962-92-9 Enquire
Phenothiazine Impurities CS-T-39298 92-84-2 In Stock
Phenothiazine Sulfoxide Impurities CS-ED-42021 1207-71-2 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
10-(3-Chloro-2-methylpropyl)-2-methoxy Phenothiazine Intermediates CS-T-12032 24724-55-8 Enquire
10-(3-Chloropropyl)-2-(trifluoromethyl)-10H-phenothiazine Intermediates CS-T-12584 1675-46-3 Enquire
10-(4-Methoxyphenyl)-10H-phenothiazine Intermediates CS-T-79778 58736-69-9 Enquire
10-[2-(1-Methyl-2-piperidyl)ethyl]-10H-phenothiazine Hydroch... Intermediates CS-T-80062 112688-25-2 Enquire
10-Acetylphenothiazine Intermediates CS-ED-37882 1628-29-1 Enquire
10-Allyl-10H-phenothiazine-2-carbonitrile Intermediates CS-ED-41176 1796956-57-4 Enquire
10-Allyl-2-chloro-phenothiazine Intermediates CS-T-01669 63615-79-2 Enquire
10H-Phenothiazine,3-methoxy- Intermediates CS-DV-00804 1771-19-3 Enquire
1-Bromo-10H-phenothiazine Intermediates CS-ED-00312 31609-96-8 Enquire
1-Chlorophenothiazine Intermediates CS-T-71815 1910-85-6 Enquire
2-(1H-Pyrazol-3-yl)-10H-phenothiazine Intermediates CS-M-32770 63285-55-2 Enquire
2-Acetyl-10-(3-chloropropyl)phenothiazine Intermediates CS-T-64304 39481-55-5 Enquire
2-Acetyl-10H-phenothiazine-10-propanenitrile Intermediates CS-T-47398 50971-94-3 Enquire
2-Chloro-10-(3-(dimethylamino)propyl)phenothiazine N,5-dioxi... Intermediates CS-ED-24604 10404-90-7 Enquire
2-Chloro-10-(3-chloropropyl)phenothiazine Intermediates CS-T-11279 2765-59-5 Enquire
2-Chloro-7-(methoxymethoxy)-10H-phenothiazine Intermediates CS-T-50796 62835-54-5 Enquire
2-Chloro-7-hydroxy Phenothiazine Intermediates CS-T-11685 2002-32-6 Enquire
2-chlorophenothiazine Intermediates CS-T-12208 92-39-7 In Stock
2-Ethylphenothiazine Intermediates CS-T-92159 61852-27-5 Enquire
3-(Ethoxycarbonylamino)phenothiazine Intermediates CS-T-92321 14966-87-1 Enquire
3,7-dibromo-10H-phenothiazine Intermediates CS-DV-02069 21667-32-3 Enquire
3-bromo-10H-phenothiazine Intermediates CS-ED-00313 3939-23-9 Enquire
4-(Trifluoromethyl)-10H-phenothiazine Intermediates CS-ED-00573 343-21-5 Enquire
N-(2-Propenyl)-2-methylsulfonyl-10H-phenothiazine Intermediates CS-T-85514 1391053-21-6 Enquire
N-(3-Methanethiosulfonylpropyl) Phenothiazine Intermediates CS-T-57588 1391052-14-4 Enquire
N-Propargyl Phenothiazine Intermediates CS-T-40632 4282-78-4 Enquire
N-Propionyl Phenothiazine Intermediates CS-T-86086 6622-75-9 Enquire
N-Propylmaleimide Phenothiazine Intermediates CS-T-40789 1391052-13-3 Enquire
Phenothiazine-10-propionitrile Intermediates CS-T-60357 1698-80-2 Enquire
α-Methyl-phenothiazine-10-ethanal Intermediates CS-T-58581 32209-47-5 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
10-(3-(4-Methylpiperazin-1-yl)propyl)-2-(trifluoromethyl)-10... Fine Chemicals CS-MM-13399 117-89-5 Enquire
10-Acetyl-2-(1-Oxopropyl)-10H-Phenothiazine Fine Chemicals CS-O-45816 80632-54-8 In Stock
2-(Trifluoromethyl)phenothiazine Fine Chemicals CS-M-02777 92-30-8 In Stock
2-FLUORO-10H-PHENOTHIAZINE Fine Chemicals CS-ZE-18119 397-58-0 Enquire
2-tert-butyl-10H-phenothiazine Fine Chemicals CS-O-37896 61174-12-7 Enquire
3-(trifluoromethyl)-10H-phenothiazine Fine Chemicals CS-EO-00422 397-50-2 Enquire
4-Chlorophenothiazine Fine Chemicals CS-T-12212 7369-69-9 In Stock
4-Methyl-10H-phenothiazine Fine Chemicals CS-ED-01657 7190-74-1 Enquire
Methylphenothiazine Sulfoxide Fine Chemicals CS-O-58096 2234-09-5 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
10-Bromopropyl-2-Cyano Phenothiazine Building Blocks CS-O-47226 1797890-72-2 Enquire
2-Bromo-10H-phenothiazine Building Blocks CS-TA-25496 66820-95-9 Enquire