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

Quinoxaline Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,3,5,7,8-pentadeuterioquinoxaline-6-carboxylic acid Stable Isotopes CS-O-46199 2306273-09-4 Enquire
2-Amino-3,4-dimethylimidazo[4,5-f]quinoxaline-d3 Stable Isotopes CS-T-98299 Not Available Enquire
2-Amino-3,7,8-trimethyl-3H-imidazo[4,5-f]quinoxaline-d3 Stable Isotopes CS-T-98296 1189421-19-9 Enquire
2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline-13C,15N2 Stable Isotopes CS-T-98298 1185023-44-2 Enquire
2-Azido-3,4,7,8-tetramethyl-3H-imidazo[4,5-f]quinoxaline-d3 Stable Isotopes CS-T-98292 1215749-04-4 Enquire
2-Azido-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline-d3 Stable Isotopes CS-T-98291 1215752-55-8 Enquire
2-Azido-3,7,8-trimethyl-3H-imidazo[4,5-f]quinoxaline-d3 Stable Isotopes CS-T-98290 1215853-86-3 Enquire
3,8-Dimethyl-2-nitro-3H-imidazo[4,5-F]quinoxaline-d3 Stable Isotopes CS-T-98178 1216912-20-7 Enquire
3-Methylquinoxaline-2-carboxylic acid-d4 Stable Isotopes CS-O-40074 74003-63-7 (Unlabeled) Enquire
5-Amino-6-methylaminoquinoxaline-d3 Stable Isotopes CS-T-98297 Not Available Enquire
5-Hydroxy Sulfaquinoxaline-d4 Stable Isotopes CS-T-99204 Not Available Enquire
6-Methylamino-5-nitroquinoxaline-d3 Stable Isotopes CS-T-98041 Not Available Enquire
Ethyl 3-Methyl-2-quinoxalinecarboxylate-d4 Stable Isotopes CS-T-101397 Not Available Enquire
N-(2-Quinoxaline)-sulfaquinoxalin-D4 Stable Isotopes CS-T-99115 Not Available Enquire
N2-(Deoxyguanosin-8-yl)-2-amino-3,8-dimethylimidazo[4,5-f]qu... Stable Isotopes CS-T-94864 142038-31-1 (Unlabelled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfaquinoxaline sodium API CS-O-30761 967-80-6 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(6R,10R)-8-oxido-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[... Impurity CS-O-57212 ---- Enquire
5-Bromo-6-isothiocyanatoquinoxaline Impurity CS-T-49741 134892-46-9 In Stock
Sulfaquinoxaline Related Compound A Impurity CS-O-47211 2724729-03-5 Enquire
2-Amino-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline Impurity CS-T-03587 95896-78-9 Enquire
2-Amino-3,8-dimethyl-3H-imidazo[4,5-f]quinoxaline-4-methanol Impurity CS-T-66071 153954-29-1 Enquire
3-hydroxy-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]q... Impurity CS-O-36015 2306217-11-6 Enquire
7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline... Impurity CS-O-33484 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-3,8-Dimethylimidazo[4,5-f]Quinoxaline Fine Chemicals CS-T-02484 77500-04-0 In Stock
6-Aminoquinoxaline Fine Chemicals CS-M-32188 6298-37-9 In Stock
2-Amino-1,7,9-trimethylimidazo(4,5-g)quinoxaline Fine Chemicals CS-ZH-31888 156243-39-9 Enquire
3-Methyl-quinoxaline-2-carboxylic acid Fine Chemicals CS-M-10811 74003-63-7 Enquire
rel-(9aR,13aR,17R)-17-Acetyl-9a,10,11,12,13,13a,14,17-octahy... Fine Chemicals CS-O-37959 925438-34-2 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinoxaline-5,6,7,8-d4 Stable Isotope Reagent CS-C-01577 64252-08-0 Enquire