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

Nitrobenzene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Chloro-2,4-dinitrobenzene- 13C6 Stable Isotopes CS-T-102426 882513-65-7 Enquire
1-Chloro-2-nitrobenzene-d4 Stable Isotopes CS-T-96724 Not Available Enquire
1-tert-Butyl-3,5-dimethyl-2,4,6-trinitrobenzene-D9 Stable Isotopes CS-O-40176 2687960-78-5 Enquire
2,4,5-Trichloronitrobenzene- 13C6 Stable Isotopes CS-T-102430 89-69-0(Unlabelled) Enquire
Methyl-13CD3 2-Nitrobenzenesulfonate Stable Isotopes CS-T-101100 Not Available Enquire
[U-Ring-13C6]-1-Chloro-2-nitrobenzene Stable Isotopes CS-EK-02197 639824-65-0 Enquire
[U-Ring-13C6]-1-Chloro-4-nitrobenzene Stable Isotopes CS-EK-01676 201595-66-6 Enquire
[U-Ring-13C6]-2,4-Dichloro-1-nitrobenzene Stable Isotopes CS-EK-00035 611-06-3 unlabeled Enquire
[U-Ring-13C6]-4-Nitrobenzene sulfonic acid Stable Isotopes CS-EK-01038 138-42-1 unlabeled Enquire
1-(Ethoxy-d5-methyl)-4-nitrobenzene Stable Isotopes CS-O-35293 67216-72-2 (Unlabeled) Enquire
1,3-Dinitrobenzene 13C6 Stable Isotopes CS-CX-00456 201595-60-0 Enquire
1,4-Difluoro-2-nitrobenzene 13C6 Stable Isotopes CS-EK-01770 364-74-9 unlabeled Enquire
1-Bromo-4-fluoro-2-nitrobenzene 13C6 Stable Isotopes CS-EK-00320 446-09-3 unlabeled Enquire
2-Bromo-1-nitrobenzene 13C6 Stable Isotopes CS-EK-01934 577-19-5 unlabeled Enquire
3-Bromo-1-nitrobenzene 13C6 Stable Isotopes CS-CX-00403 1261170-85-7 Enquire
4-(Trifluoromethoxy)nitrobenzene-15N Stable Isotopes CS-T-87844 1246818-41-6 Enquire
4-Iodonitrobenzene 13C6 Stable Isotopes CS-T-56750 1216468-84-6 Enquire
Pentachloronitrobenzene-13C6 Stable Isotopes CS-T-84034 362044-64-2 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(2-Nitrobenzenesulfonamido)acetic acid Impurity CS-O-54255 15054-42-9 Enquire
2-methoxy-N4-methyl-N4-(2-(methyl(4-(1-methyl-1H-indol-3-yl)... Impurity CS-O-54807 ---- Enquire
2-Methyl-5-nitrobenzenesulfonamide Impurity CS-DV-01804 6269-91-6 In Stock
3,4-Difluoronitrobenzene Impurity CS-M-02522 369-34-6 In Stock
(2R,3S)-N-(2-Nitrobenzenesulfenyl)-3-phenylisoserine methyl ... Impurity CS-O-39451 615556-29-1 Enquire
(R)-3-[[N-(1-Hydroxymethyl-2-phenylethyl)amino]methyl]-4-nit... Impurity CS-T-27854 530145-61-0 Enquire
1,2-Dichloro-3-fluoro-4-nitrobenzene Impurity CS-ED-02104 100465-04-1 Enquire
1,2-dimethyl-3-nitrobenzene Impurity CS-O-39365 83-41-0 Enquire
1,3-Dichloro-2-methoxy-5-nitrobenzene Impurity CS-M-47190 17742-69-7 Enquire
1,3-Dichloro-5-methoxy-2,4,6-trinitrobenzene Impurity CS-T-52638 50903-10-1 Enquire
1'-[propane-1,3-diylbis (oxy)]bis(2-methoxy-5-nitrobenzene) Impurity CS-O-41602 2095306-22-0 Enquire
1-Bromo-2-fluoro-5-methyl-4-nitrobenzene Impurity CS-DJ-00440 948294-26-6 Enquire
1-Bromo-3-fluoro-2-nitrobenzene Impurity CS-DJ-01003 886762-70-5 Enquire
1-Bromo-4-(methylthio)-2-nitrobenzene Impurity CS-M-47161 10079-53-5 Enquire
1-Bromo-4,5-dimethoxy-2-nitrobenzene Impurity CS-M-08416 51072-66-3 Enquire
1-chloro-2,6-dinitrobenzene Impurity CS-EC-00005 606-21-3 Enquire
1-Isocyanato-2-methyl-3-nitrobenzene Impurity CS-M-27006 23695-15-0 Enquire
1-Isocyanato-2-nitrobenzene Impurity CS-M-27000 3320-86-3 Enquire
1-Isocyanato-3-nitrobenzene Impurity CS-M-26659 3320-87-4 Enquire
1-Isocyanato-4-methoxy-2-nitrobenzene Impurity CS-M-27012 117162-85-3 Enquire
1-Isocyanato-4-methyl-2-nitrobenzene Impurity CS-M-27002 57910-98-2 Enquire
1-Isocyanato-4-nitrobenzene Impurity CS-T-29698 100-28-7 Enquire
1-Isocyano-4-nitrobenzene Impurity CS-M-28550 1984-23-2 Enquire
1-Tert-Butyl-2-nitrobenzene Impurity CS-ZG-99235 1886-57-3 Enquire
2-(Trifluoromethoxy)nitrobenzene Impurity CS-T-45283 1644-88-8 Enquire
2,6-Dichloro-945;-(4-chlorophenyl)-4-nitrobenzeneacetonitril... Impurity CS-T-52587 103317-59-5 Enquire
2-Benzyloxy-5-nitrobenzenethiol Impurity CS-T-06116 887353-11-9 Enquire
2-Isocyanato-1-methoxy-4-nitrobenzene Impurity CS-M-27003 59741-17-2 Enquire
2-Methyl-5-nitrobenzenesulfonyl Chloride Impurity CS-T-34521 121-02-8 Enquire
2-Morpholino-5-nitrobenzenecarbonitrile Impurity CS-M-25158 78252-11-6 Enquire
3-Bromo-2-hydroxy-5-nitrobenzenecarbaldehyde Impurity CS-M-25905 16789-84-7 Enquire
3-Chloro-5-nitrobenzenesulfonamide Impurity CS-EO-02038 957785-35-2 Enquire
3-Fluoronitrobenzene Impurity CS-T-24146 402-67-5 Enquire
4-Acetoxy-1-acetylamino-2-nitrobenzene Impurity CS-T-00332 2243-69-8 Enquire
4-bromo-2-chloro-1-nitrobenzene Impurity CS-DV-02637 89465-97-4 Enquire
4-Bromo-2-methoxy-1-nitrobenzene Impurity CS-M-29398 103966-66-1 Enquire
4-Bromo-2-methyl-1-nitrobenzene Impurity CS-DV-02651 52414-98-9 Enquire
4-Chloro-3-nitrobenzenesulfonylchloride Impurity CS-DV-02729 97-08-5 Enquire
4-Ethylnitrobenzene Impurity CS-DV-02775 100-12-9 Enquire
4-Nitrobenzenesulfonamide Impurity CS-DV-02888 6325-93-5 Enquire
5-Bromo-1,2-difluoro-3-nitrobenzene Impurity CS-DV-03011 1261988-16-2 Enquire
5-Bromo-1-fluoro-2-methyl-3-nitrobenzene Impurity CS-DV-03014 502496-34-6 Enquire
Methyl 2-[(4-formylphenoxy)methyl]-3-nitrobenzenecarboxylate Impurity CS-M-32045 885949-38-2 Enquire
N-(4-Nitrobenzenesulfonyl) N-Desmethyl Zolmitriptan Impurity CS-T-59350 1346602-02-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2,3-Trichloro-4,6-dinitrobenzene Intermediate CS-O-57715 6379-46-0 Enquire
1-Chloro-2,4-dinitrobenzene Intermediate CS-T-50683 97-00-7 In Stock
2-Amino-5-[(4-fluorobenzyl)amino]-1-nitrobenzene Intermediate CS-T-23914 150812-21-8 In Stock
4-Chloro-2-fluoronitrobenzene Intermediate CS-M-00678 700-37-8 In Stock
4-Fluoro-3-nitrobenzenesulfonamide Intermediate CS-T-24156 406233-31-6 In Stock
4-Fluoronitrobenzene Intermediate CS-M-57533 350-46-9 In Stock
4-hydroxy-3-nitrobenzenecarbothioamide Intermediate CS-O-31546 25984-63-8 In Stock
4-Nitrobenzenesulfonyl Chloride Intermediate CS-M-55525 98-74-8 In Stock
5-Nitrobenzene-1,3-Dicarboxylic Acid Intermediate CS-T-59393 618-88-2 In Stock
N-(tert-Butoxycarbonyl)-2-nitrobenzenesulfonamide Intermediate CS-AC-11633 198572-71-3 In Stock
Nitrobenzene Intermediate CS-T-59335 98-95-3 In Stock
s-Triaminotrinitrobenzene Intermediate CS-T-44856 3058-38-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Dimethoxymethyl)-3-nitrobenzene Fine Chemicals CS-O-54576 3395-79-7 Enquire
1,2-Difluoro-4,5-dinitrobenzene Fine Chemicals CS-ED-42048 85686-97-1 Enquire
1-Bromo-4-Chloro-2-Nitrobenzene Fine Chemicals CS-T-08079 41513-04-6 In Stock
1-Chloro-2-nitrobenzene Fine Chemicals CS-T-11779 88-73-3 In Stock
2,4,6-Trinitrobenzenesulfonic acid Fine Chemicals CS-DV-01267 2508-19-2 In Stock
2-Nitrobenzenesulfonyl Chloride Fine Chemicals CS-T-37083 1694-92-4 In Stock
3-Bromonitrobenzene Fine Chemicals CS-T-08702 585-79-5 Enquire
4-Chloronitrobenzene Fine Chemicals CS-T-12153 100-00-5 In Stock
4-Fluoro-2-methoxy-1-nitrobenzene Fine Chemicals CS-M-34908 448-19-1 In Stock
Bosutinib impurity (2-(3-Bromopropoxy)-1-methoxy-4-nitrobenz... Fine Chemicals CS-O-36445 219786-51-3 Enquire
n-Propyl 4-Nitrobenzenesulfonate Fine Chemicals CS-O-59900 1830-67-7 Enquire
1,3-Dibromo-4-methoxy-2-methyl-5-nitrobenzene Fine Chemicals CS-MM-10204 61827-59-6 Enquire
1,4-dichloro-2,3,5-trinitrobenzene Fine Chemicals CS-O-37062 242477-70-9 Enquire
1,4-dichloro-2,3-dinitrobenzene Fine Chemicals CS-O-37059 65036-57-9 Enquire
1,4-dichloro-2,5-dinitrobenzene Fine Chemicals CS-O-37060 17488-24-4 Enquire
1,5-Difluoro-2,4-dinitrobenzene Fine Chemicals CS-M-02156 327-92-4 Enquire
1-Iodo-2-nitrobenzene Fine Chemicals CS-M-02020 609-73-4 Enquire
1-Iodo-4-nitrobenzene Fine Chemicals CS-DE-01478 636-98-6 Enquire
1-Methoxy-4-(methylsulfonylmethyl)-2-nitrobenzene Fine Chemicals CS-ED-01153 1116240-33-5 Enquire
2-(Difluoromethoxy)nitrobenzene Fine Chemicals CS-M-02772 22225-77-0 Enquire
2,3-Dichloro-4-fluoronitrobenzene Fine Chemicals CS-ED-02105 36556-51-1 Enquire
2,4 dichloro 6-nitrobenzene methanamine Fine Chemicals CS-O-37657 58579-61-6 Enquire
2,4-Dichloro-5-fluoronitrobenzene Fine Chemicals CS-M-02207 2105-59-1 Enquire
2,4-Dichloronitrobenzene Fine Chemicals CS-BX-00881 611-06-3 Enquire
2,5-dichloro-1,3-dinitrobenzene Fine Chemicals CS-O-37061 2213-82-3 Enquire
2-Bromo-5-fluoronitrobenzene Fine Chemicals CS-O-38764 446-09-3 Enquire
2-fluoro-3-nitrobenzenesulfonamide Fine Chemicals CS-O-37442 1804044-62-9 Enquire
3-(Difluoromethoxy)nitrobenzene Fine Chemicals CS-M-02768 22236-07-3 Enquire
3,4-Diethoxynitrobenzene Fine Chemicals CS-MM-23583 4992-63-6 Enquire
3-Allyloxy-4-methoxynitrobenzene Fine Chemicals CS-ZH-40218 142072-71-7 Enquire
3-Bromo-2,4,6-trimethylnitrobenzene Fine Chemicals CS-M-03309 90561-85-6 Enquire
3-Chloro-4-iodonitrobenzene Fine Chemicals CS-M-00979 41252-96-4 Enquire
3-Ethoxy-4-(decyloxy)nitrobenzene Fine Chemicals CS-O-34320 24020-08-4 Enquire
4-(Difluoromethoxy)nitrobenzene Fine Chemicals CS-M-02757 1544-86-1 Enquire
4-(Difluoromethyl)-1-fluoro-2-nitrobenzene Fine Chemicals CS-BL-00071 61324-89-8 Enquire
4,5 dichloro 2 nitrobenzene methanamine Fine Chemicals CS-O-37656 224635-99-8 Enquire
4-Chloro-3-nitrobenzenesulfonic Acid Fine Chemicals CS-T-93330 121-18-6 Enquire
5-Fluoro-2-iodonitrobenzene Fine Chemicals CS-M-00702 364-77-2 Enquire
N-benzyl-4-nitrobenzenesulfonamide Fine Chemicals CS-ED-01199 52374-25-1 Enquire
Sodium 4-methyl-3-nitrobenzenesulfonate Fine Chemicals CS-O-37930 51591-66-3 Enquire


"NMR and Deuterated Solvents, Stable Isotopes"

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Chloronitrobenzene-d4 "NMR and Deuterated Solvents, Stable Isotopes" CS-T-50879 68239-23-6 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Dinitrobenzene Building Blocks CS-BM-00090 99-65-0 In Stock
1-chloro-2-[(4-methoxyphenyl)methyl]-4-nitrobenzene Building Blocks CS-O-45013 197378-07-7 Enquire
2,4-dinitrobenzenesulfonic acid Building Blocks CS-T-102299 89-02-1 Enquire
2-fluoro-6-nitrobenzene-1-sulfonyl chloride Building Blocks CS-O-46277 887266-98-0 Enquire
2-Nitrobenzene-1,4-diol Building Blocks CS-T-102289 16090-33-8 Enquire
4-methylbenzenesulfonate,4-nitrobenzenediazonium Building Blocks CS-O-43238 1947-33-7 Enquire
5-Bromo-1-chloro-3-fluoro-2-nitrobenzene Building Blocks CS-O-45375 218797-71-8 Enquire
1,2,3-Trifluoro-5-nitrobenzene Building Blocks CS-M-58331 66684-58-0 Enquire
1,3,5-Trifluoro-2-nitrobenzene Building Blocks CS-DK-00181 315-14-0 Enquire
1,3,5-Trinitrobenzene Building Blocks CS-ZG-81370 99-35-4 Enquire
1,4-Dinitrobenzene Building Blocks CS-BX-02560 100-25-4 Enquire
1-tert-Butyl-3,4,5-trimethyl-2,6-dinitrobenzene Building Blocks CS-CD-00032 145-39-1 Enquire
2,3,4-Trifluoronitrobenzene Building Blocks CS-M-01600 771-69-7 Enquire
2,4,5-Trifluoronitrobenzene Building Blocks CS-M-01599 2105-61-5 Enquire
2,5-Bis(trifluoromethyl)nitrobenzene Building Blocks CS-M-02670 320-88-7 Enquire
2-bromo-1-tert-butyl-4-nitrobenzene Building Blocks CS-T-94181 6310-17-4 Enquire
2-Bromo-4-(trifluoromethoxy)nitrobenzene Building Blocks CS-T-69139 1003708-31-3 Enquire
2-Methyl-3-nitrobenzene-1-sulfonyl Chloride Building Blocks CS-TA-52466 56682-04-3 Enquire
3-(Trifluoromethoxy)nitrobenzene Building Blocks CS-M-02406 2995-45-1 Enquire
3,5-Bis(trifluoromethyl)nitrobenzene Building Blocks CS-M-02704 328-75-6 Enquire
3-Bromo-1,2,4-trifluoro-5-nitrobenzene Building Blocks CS-DV-02143 485318-76-1 Enquire
3-Iodo-4-(trifluoromethoxy)nitrobenzene Building Blocks CS-CE-00056 194344-29-1 Enquire
4-(Trifluoromethoxy)nitrobenzene Building Blocks CS-M-02404 713-65-5 Enquire
5-Fluoro-2-nitrobenzeneboronic acid Building Blocks CS-T-77715 1329171-65-4 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Chloro-1-(methoxy-d3)-3-nitrobenzene Deuterated Reagents CS-O-42450 3970-39-6 (unlabelled) Enquire
2-Chloro-1-(methoxy-d3)-4-nitrobenzene Deuterated Reagents CS-O-42451 4920-79-0 (unlabelled) Enquire
2-FLUORO-4-(METHOXY-D3)-1-NITROBENZENE Deuterated Reagents CS-O-42457 446-38-8 (unlabelled) Enquire
Ethyl 4-nitrobenzeneacetate-alpha,alpha-d2 Deuterated Reagents CS-O-42340 1376709-86-2 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2,4,5-Tetrachloro-3-nitrobenzene Pesticide Standards CS-T-43565 117-18-0 In Stock
1,2,3,4-Tetrachloro-5-nitrobenzene Pesticide Standards CS-T-87013 879-39-0 Enquire
2,4,5-Trichloronitrobenzene Pesticide Standards CS-T-45062 89-69-0 Enquire
Pentachloronitrobenzene Pesticide Standards CS-T-60226 82-68-8 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Methoxy-d3)-3-methyl-2-nitrobenzene Stable Isotope Reagent CS-O-42821 5345-42-6 (unlabeled) Enquire
1-(methoxy-d3)-3-nitrobenzene Stable Isotope Reagent CS-O-42822 1421863-79-7 Enquire
1,3-Dinitrobenzene-d4 Stable Isotope Reagent CS-T-94262 54247-05-1 In Stock
2,4-Difluoronitrobenzene 13C6 Stable Isotope Reagent CS-O-48565 446-35-5 (Unlabelled) Enquire
3-Bromonitrobenzene-d4 Stable Isotope Reagent CS-T-67231 81395-16-6 In Stock
4-fluoro-2-methoxy-1-nitrobenzene 13C6 Stable Isotope Reagent CS-O-48567 448-19-1 (Unlabelled) Enquire
4-Fluoronitrobenzene-d4 Stable Isotope Reagent CS-C-00487 1219802-01-3 In Stock
Nitrobenzene-13C6 Stable Isotope Reagent CS-T-59337 89059-37-0 In Stock
Nitrobenzene-d5 Stable Isotope Reagent CS-T-59336 4165-60-0 In Stock
[U-Ring-13C6]-1-Chloro-3-nitrobenzene Stable Isotope Reagent CS-EK-00643 121-73-3 unlabeled Enquire
[U-Ring-13C6]-4-Nitrobenzenesulfonyl chloride Stable Isotope Reagent CS-EK-02025 98-74-8 unlabeled Enquire
1-Chloro-2,4-dinitrobenzene-d3 Stable Isotope Reagent CS-C-00473 347840-12-4 Enquire
2,4,6-Trimethyl-5-nitrobenzene-d11 Stable Isotope Reagent CS-T-62476 1126138-12-2 Enquire
2,4-Dimethyl-d6-nitrobenzene Stable Isotope Reagent CS-C-00475 1398065-58-1 Enquire
2,6-Dimethyl-d6-nitrobenzene Stable Isotope Reagent CS-C-00476 285138-83-2 Enquire
4,6-Dichloro-1,3-dinitrobenzene-13C6 Stable Isotope Reagent CS-C-00474 335081-12-4 Enquire