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

Benzophenone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,4-Dihydroxybenzophenone-d5" Stable Isotopes CS-T-91905 91586-06-0 Enquire
"4,4’-Dicyanobenzophenone-2,3,5,6-d4" Stable Isotopes CS-T-91887 1361326-44-4 Enquire
2-(2’-Hydroxyphenoxy)-4-nitro-benzophenone-13C6 Stable Isotopes CS-T-79547 1330180-90-9 Enquire
2,2′,4,4′-Tetrahydroxybenzophenone-d4 Stable Isotopes CS-T-97879 Not Available Enquire
2,3,4-Trihydroxybenzophenone-2’,3’,4’,5’,6’-d5 Stable Isotopes CS-T-103144 1143-72-2(Unlabelled) Enquire
2,4-Dihydroxybenzophenone D5 Stable Isotopes CS-C-00378 131-56-6(Unlabeled) Enquire
2,4-Dihydroxybenzophenone-13C6 Stable Isotopes CS-T-101504 Not Available Enquire
2-Acetamido-5-chlorobenzophenone-d5 Stable Isotopes CS-T-64060 65854-71-9 Enquire
2'-Acryloxy-4'-methyl-4-(N,N-dimethylamino)benzophenone-d3 Stable Isotopes CS-T-101942 Not Available Enquire
2-Amino-5-chlorobenzophenone D5 Stable Isotopes CS-T-47688 65854-72-0 Enquire
2-Amino-5-chlorobenzophenone Oxime-d5 Stable Isotopes CS-T-100894 65854-73-1 Enquire
2-Hydroxy-4-methoxybenzophenone-2',3',4',5',6'-d5 Stable Isotopes CS-T-95303 1219798-54-5 Enquire
3-Acetylbenzophenone-d5 Stable Isotopes CS-T-64557 1329614-73-4 Enquire
4-Hydroxy-3-methoxy-4'-methylbenzophenone-d4 Stable Isotopes CS-T-101292 Not Available Enquire
4-Hydroxybenzophenone-d4 Stable Isotopes CS-T-78478 93496-64-1 Enquire
4-Methylbenzophenone D3 Stable Isotopes CS-T-57977 109339-64-2 Enquire
5-Amino-2-nitrobenzophenone-d5 Stable Isotopes CS-T-101903 1189718-61-3 Enquire
5-Nitro-2-(bromoacetamido)benzophenone-d5 Stable Isotopes CS-T-83608 1189454-04-3 Enquire
Benzophenone-13C Stable Isotopes CS-T-95661 32488-48-5 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Fluorobenzophenone API Standards CS-M-01353 342-24-5 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-5-bromo-2-chlorobenzophenone Metabolites CS-T-01992 60773-49-1 Enquire
5-Chloro-2-formamidobenzophenone Metabolites CS-O-43733 10352-28-0 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,4-Dichloro-5-(trifluoromethyl)benzophenone" Impurities CS-T-52669 95998-69-9 Enquire
"2-Amino-5-chloro-2',6'-difluoro-benzophenone" Impurities CS-T-02173 28910-83-0 Enquire
"4,4-Bis(trimethylacetoxy)benzophenone" Impurities CS-T-07301 112004-83-8 Enquire
"4,4-Dicyanobenzophenone" Impurities CS-T-52701 32446-66-5 Enquire
"5-Chloro-2-(3-chloromethyl-4H-1,2,4-triazol-4-yl)-benzophen... Impurities CS-T-72494 37945-06-5 Enquire
2-(2-Bromo-acetylamino)-5-chloro-benzophenone Impurities CS-T-07873 32580-26-0 Enquire
2,4-Dihydroxybenzophenone Impurities CS-T-53178 131-56-6 In Stock
2-Amino-5-chloro-2'-fluorobenzophenone Impurities CS-T-02201 784-38-3 In Stock
2-Amino-5-chloro-4'-hydroxybenzophenone Impurities CS-T-02340 784-41-8 Enquire
2-Chloro-4'-methoxybenzophenone Impurities CS-T-11863 54118-74-0 Enquire
2-Cyclopropylmethylamino-5-chlorobenzophenone Impurities CS-T-14171 2897-00-9 Enquire
2-Methyl-5-nitrobenzophenone Impurities CS-T-34525 39272-00-9 Enquire
3-Chloro-4'-methoxybenzophenone Impurities CS-T-11862 13389-51-0 Enquire
3-Methoxy-4-methylbenzophenone Impurities CS-T-32497 82520-37-4 Enquire
4-(2-Chloroethoxy)benzophenone Impurities CS-T-11454 3439-73-4 Enquire
4,4-Difluorobenzophenone Impurities CS-CG-00153 345-92-6 Enquire
4-[N-[2-(Acetamido)ethyl]-N-methylamino]-2-carboxy-2-hydroxy... Impurities CS-T-00220 203580-77-2 Enquire
4'-Acetamido-2-acetoxy-4-dimethylamino-2'-methoxycarbonylben... Impurities CS-T-00125 351421-17-5 Enquire
4'-Acetamido-2'-carboxy-4-dimethylamino-2-hydroxybenzophenon... Impurities CS-T-00151 166442-36-0 Enquire
4-Amino-3-Nitro Benzophenone Impurities CS-P-07301 31431-19-3 Enquire
4-Chloro-4′-methoxybenzophenone Impurities CS-P-07894 10547-60-1 Enquire
4-Chloro-4'-methyl-3-nitrobenzophenone Impurities CS-T-12011 40306-24-9 Enquire
4-methacryloyloxybenzophenone Impurities CS-DV-02846 56467-43-7 Enquire
4-Methoxybenzophenone Impurities CS-T-31946 611-94-9 Enquire
4-Methyl-3- Nitrobenzophenone Impurities CS-CJ-00142 Not Available Enquire
4-Methylamino-3-nitro-benzophenone Impurities CS-T-82977 66353-71-7 Enquire
4-Methylbenzophenone Impurities CS-T-33198 134-84-9 Enquire
5'-Acetamido-2-acetoxy-4-dimethylamino-2'-methoxycarbonylben... Impurities CS-T-00126 351421-18-6 Enquire
5'-Acetamido-2'-carboxy-4-dimethylamino-2-hydroxybenzophenon... Impurities CS-T-00152 166442-37-1 Enquire
5-Chloro-2-(2-diethylaminoethylamino)-2’-fluorobenzophenone ... Impurities CS-T-50758 19347-55-8 Enquire
5-Nitro-2-(bromoacetamido)benzophenone Impurities CS-T-59404 2011-70-3 Enquire
Benzophenone Impurities CS-O-31144 119-61-9 In Stock
Decafluorobenzophenone Impurities CS-M-02096 853-39-4 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,3,4,5,6-Pentafluorobenzophenone" Intermediates CS-M-00313 1536-23-8 Enquire
"2,3-Difluorobenzophenone" Intermediates CS-M-02287 208173-20-0 Enquire
"2,4-Dichlorobenzophenone" Intermediates CS-T-89076 19811-05-3 Enquire
"2-Carboxy-3,5-dimethyl-4-hydroxybenzophenone" Intermediates CS-CE-00314 85604-74-6 Enquire
"3,3-Dinitrobenzophenone" Intermediates CS-CJ-00045 21222-05-9 Enquire
"3,4-Dimethoxybenzophenone" Intermediates CS-EL-05080 4038-14-6 Enquire
"4,4'-Bis(diethylamino)benzophenone" Intermediates CS-AC-02442 90-93-7 Enquire
"4,4-Diaminobenzophenone" Intermediates CS-O-16604 611-98-3 Enquire
"4,4'-Difluorobenzophenone-2-carboxylic acid" Intermediates CS-EL-30021 338982-44-8 Enquire
"4,4'-Dihydroxybenzophenone" Intermediates CS-T-06989 611-99-4 In Stock
2-​Hydroxy-​5-​methylbenzophenone Intermediates CS-T-78004 1470-57-1 Enquire
2-(2’-Hydroxyphenoxy)-4-nitro-benzophenone Intermediates CS-T-78704 1329834-07-2 Enquire
2-(Azetidinomethyl) benzophenone Intermediates CS-ED-05127 898775-42-3 Enquire
2,2,4,4-Tetrahydroxybenzophenone Intermediates CS-DV-01192 131-55-5 In Stock
2,2',4,4'-Tetranitrobenzophenone Intermediates CS-T-44019 71535-97-2 Enquire
2,3',5'-Trichlorobenzophenone Intermediates CS-ED-34452 951889-95-5 Enquire
2,3-Dichloro-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25485 898789-21-4 Enquire
2,3-Dichloro-3'-morpholinomethyl benzophenone Intermediates CS-ED-25460 898792-16-0 Enquire
2,3-Dichloro-3'-piperidinomethyl benzophenone Intermediates CS-ED-25471 898793-48-1 Enquire
2,3-Dichloro-3'-thiomorpholinomethyl benzophenone Intermediates CS-ED-25476 898787-78-5 Enquire
2,3'-Dichloro-4'-fluorobenzophenone Intermediates CS-ED-25374 951889-98-8 Enquire
2,3'-Dichloro-5'-fluorobenzophenone Intermediates CS-ED-25377 951890-38-3 Enquire
2,3-Dimethyl-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25480 898788-70-0 Enquire
2,3-Dimethyl-3'-piperidinomethyl benzophenone Intermediates CS-ED-25466 898793-08-3 Enquire
2,4,4'-Trimethoxybenzophenone Intermediates CS-O-41908 4038-15-7 Enquire
2,4-Dicarboxybenzophenone Intermediates CS-CD-00041 85-58-5 Enquire
2,4-Dichloro-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25486 898789-23-6 Enquire
2,4'-Dichloro-3'-fluorobenzophenone Intermediates CS-ED-25378 951890-52-1 Enquire
2,4-Dichloro-3'-morpholinomethyl benzophenone Intermediates CS-ED-25461 898792-19-3 Enquire
2,4-Dichloro-3'-piperidinomethyl benzophenone Intermediates CS-ED-25472 898793-50-5 Enquire
2,4-Dichloro-3'-thiomorpholinomethyl benzophenone Intermediates CS-ED-25334 898787-81-0 Enquire
2,4'-Dichlorobenzophenone Intermediates CS-T-17439 85-29-0 Enquire
2,4-Difluoro-3'-morpholinomethyl benzophenone Intermediates CS-ED-25465 898792-28-4 Enquire
2,4-Dimethyl-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25481 898788-72-2 Enquire
2,4-Dimethyl-3'-piperidinomethyl benzophenone Intermediates CS-ED-25467 898793-11-8 Enquire
2,4-Dimethylbenzophenone Intermediates CS-O-41811 1140-14-3 Enquire
2,5-Dichloro-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25487 898789-25-8 Enquire
2,5-Dichloro-3'-morpholinomethyl benzophenone Intermediates CS-ED-25462 898792-22-8 Enquire
2,5-Dichloro-3'-piperidinomethyl benzophenone Intermediates CS-ED-25473 898793-52-7 Enquire
2,5-Dichloro-3'-thiomorpholinomethyl benzophenone Intermediates CS-ED-25477 898787-84-3 Enquire
2,5-Dimethyl-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25482 898788-74-4 Enquire
2,5-Dimethyl-3'-piperidinomethyl benzophenone Intermediates CS-ED-25468 898793-14-1 Enquire
2,6-Dimethyl-3'-(4-methylpiperazinomethyl) benzophenone Intermediates CS-ED-25483 898788-77-7 Enquire
2,6-Dimethyl-3'-piperidinomethyl benzophenone Intermediates CS-ED-41416 898793-17-4 Enquire
2-Acetoxy-2',3'-dichlorobenzophenone Intermediates CS-ED-40470 890098-76-7 Enquire
2-Acetoxy-2',4'-dichlorobenzophenone Intermediates CS-ED-40471 890098-78-9 Enquire
2-Acetoxy-2',5'-dichlorobenzophenone Intermediates CS-ED-40472 890098-80-3 Enquire
2-Acetoxy-2',6'-dichlorobenzophenone Intermediates CS-ED-40473 890098-82-5 Enquire
2-Acetoxy-2'-bromobenzophenone Intermediates CS-ED-40448 890099-16-8 Enquire
2-Acetoxy-2'-chlorobenzophenone Intermediates CS-ED-40446 890099-07-7 Enquire
2-Acetoxy-2'-iodobenzophenone Intermediates CS-ED-40449 890099-22-6 Enquire
2-Acetoxy-2'-methoxybenzophenone Intermediates CS-ED-40444 890098-81-4 Enquire
2-Acetoxy-3',4'-dichlorobenzophenone Intermediates CS-ED-40119 890098-84-7 Enquire
2-Acetoxy-3',5'-dichlorobenzophenone Intermediates CS-ED-40474 890098-86-9 Enquire
2-Acetoxy-3'-bromobenzophenone Intermediates CS-ED-40117 890099-19-1 Enquire
2-Acetoxy-3'-chlorobenzophenone Intermediates CS-ED-40116 890099-10-2 Enquire
2-Acetoxy-3'-cyanobenzophenone Intermediates CS-ED-40452 890099-31-7 Enquire
2-Acetoxy-3'-iodobenzophenone Intermediates CS-ED-40450 890099-25-9 Enquire
2-Acetoxy-3'-methoxybenzophenone Intermediates CS-ED-40950 890098-83-6 Enquire
2-Acetoxy-3'-nitrobenzophenone Intermediates CS-ED-40118 890098-32-5 Enquire
2-Acetoxy-3'-phenoxybenzophenone Intermediates CS-ED-40454 890099-37-3 Enquire
2-Acetoxy-4'-bromobenzophenone Intermediates CS-ED-36581 100954-50-5 Enquire
2-Acetoxy-4'-butoxybenzophenone Intermediates CS-ED-40466 890098-56-3 Enquire
2-Acetoxy-4'-butylbenzophenone Intermediates CS-ED-40461 890098-44-9 Enquire
2-Acetoxy-4'-chlorobenzophenone Intermediates CS-ED-40447 890099-13-5 Enquire
2-Acetoxy-4'-cyanobenzophenone Intermediates CS-ED-40453 890099-34-0 Enquire
2-Acetoxy-4'-ethylbenzophenone Intermediates CS-ED-40459 37135-48-1 Enquire
2-Acetoxy-4'-heptylbenzophenone Intermediates CS-ED-40464 890098-50-7 Enquire
2-Acetoxy-4'-heptyloxybenzophenone Intermediates CS-ED-40469 890098-62-1 Enquire
2-Acetoxy-4'-hexylbenzophenone Intermediates CS-ED-40463 890098-48-3 Enquire
2-Acetoxy-4'-hexyloxybenzophenone Intermediates CS-ED-40468 890098-60-9 Enquire
2-Acetoxy-4'-iodobenzophenone Intermediates CS-ED-40451 890099-28-2 Enquire
2-Acetoxy-4'-isopropoxybenzophenone Intermediates CS-ED-40457 890098-38-1 Enquire
2-Acetoxy-4'-isopropylbenzophenone Intermediates CS-ED-40456 890098-36-9 Enquire
2-Acetoxy-4'-methoxybenzophenone Intermediates CS-ED-40445 890098-85-8 Enquire
2-Acetoxy-4'-nitrobenzophenone Intermediates CS-ED-36948 890098-34-7 Enquire
2-Acetoxy-4'-pentylbenzophenone Intermediates CS-ED-40462 890098-46-1 Enquire
2-Acetoxy-4'-pentyloxybenzophenone Intermediates CS-ED-40467 890098-58-5 Enquire
2-Acetoxy-4'-phenoxybenzophenone Intermediates CS-ED-40455 890098-30-3 Enquire
2-Acetoxy-4'-propoxybenzophenone Intermediates CS-ED-40465 890098-54-1 Enquire
2-Acetoxy-4'-propylbenzophenone Intermediates CS-ED-40460 890098-42-7 Enquire
2-Acetoxy-4'-T-butylbenzophenone Intermediates CS-ED-40458 890098-40-5 Enquire
2-Acryloxy-4-methyl-4-(N,N-dimethylamino)benzophenone Intermediates CS-T-01295 473975-14-3 Enquire
2-Amino-2’-fluorobenzophenone Intermediates CS-T-65671 1581-13-1 Enquire
2-Amino-2-fluoro-5-bromobenzophenone Intermediates CS-T-02656 1479-58-9 Enquire
2-Amino-3-(benzophenone-4-carboxamido)-propanoic Acid Intermediates CS-T-65050 1219200-12-0 Enquire
2-amino-4-bromobenzophenone Intermediates CS-DV-01432 1140-17-6 Enquire
2-Amino-4-chloro-2'-fluorobenzophenone Intermediates CS-ED-05104 203303-05-3 Enquire
2-Amino-4'-chlorobenzophenone Intermediates CS-ED-10315 2894-51-1 Enquire
2-Amino-4-Fluorobenzophenone Intermediates CS-O-31574 3800-06-4 Enquire
2-Amino-4'-methoxybenzophenone Intermediates CS-ED-12347 36192-61-7 Enquire
2-Amino-4'-methylbenzophenone Intermediates CS-ED-03331 36192-63-9 Enquire
2-Amino-4-methylbenzophenone Intermediates CS-ED-03332 4937-62-6 Enquire
2'-Amino-5'-chloro-3-hydroxybenzophenone Intermediates CS-EL-01565 62492-58-4 Enquire
2-Amino-5-chlorobenzophenone Intermediates CS-T-02215 719-59-5 In Stock
2-Amino-5-fluorobenzophenone Intermediates CS-ED-12334 362-46-9 Enquire
2-Amino-5-nitro-2-chlorobenzophenone Intermediates CS-T-03128 2011-66-7 In Stock
2-Amino-5-nitro-2'-fluorobenzophenone Intermediates CS-T-03130 344-80-9 Enquire
2'-Azetidinomethyl-2,3-dichlorobenzophenone Intermediates CS-ED-05152 898755-21-0 Enquire
2'-Azetidinomethyl-2,3-dimethylbenzophenone Intermediates CS-ED-05146 898754-85-3 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,5-Dichlorobenzophenone" Fine Chemicals CS-M-02284 16611-67-9 Enquire
"2,6-Difluorobenzophenone" Fine Chemicals CS-M-02286 59189-51-4 Enquire
"3,3'-Difluorobenzophenone" Fine Chemicals CS-M-02941 345-70-0 Enquire
"3,4-Difluorobenzophenone" Fine Chemicals CS-M-02282 85118-07-6 Enquire
"3,5-Difluorobenzophenone" Fine Chemicals CS-M-02283 179113-89-4 Enquire
2,4'-Difluorobenzophenone Fine Chemicals CS-DE-01475 342-25-6 Enquire
2,4'-Difluorobenzophenone Fine Chemicals CS-M-02942 342-25-6 Enquire
2,5-DICHLORO-2-(METHYLAMINO)BENZOPHENONE Fine Chemicals CS-ZE-24839 5621-86-3 Enquire
2,5-Difluorobenzophenone Fine Chemicals CS-M-02285 85068-36-6 Enquire
2-Amino-2',5-dichlorobenzophenone Fine Chemicals CS-T-02372 2958-36-3 In Stock
2-Amino-4-chlorobenzophenone Fine Chemicals CS-T-65485 4076-50-0 Enquire
2-Amino-4'-fluorobenzophenone Fine Chemicals CS-ED-02323 3800-06-4 Enquire
2-Aminobenzophenone Fine Chemicals CS-M-57696 2835-77-0 In Stock
2-Chlorobenzophenone Fine Chemicals CS-T-11201 5162-03-8 In Stock
3-Acetylbenzophenone Fine Chemicals CS-T-47148 66067-44-5 In Stock
3-Aminobenzophenone Fine Chemicals CS-M-03301 2835-78-1 Enquire
3-Ethylbenzophenone Fine Chemicals CS-T-22513 66067-43-4 Enquire
3-Nitrobenzophenone Fine Chemicals CS-M-03323 2243-80-3 Enquire
4,4'-Dibromobenzophenone Fine Chemicals CS-O-41801 3988-03-2 Enquire
4,4'-Diphenylbenzophenone Fine Chemicals CS-O-41822 3478-90-8 Enquire
4-Aminobenzophenone Fine Chemicals CS-M-42016 1137-41-3 Enquire
4-Bromobenzophenone Fine Chemicals CS-T-68392 90-90-4 Enquire
4-Fluorobenzophenone Fine Chemicals CS-M-01352 345-83-5 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Fluoro-3-(trifluoromethyl)benzophenone Building Blocks CS-M-00788 207853-70-1 Enquire
2-Fluoro-4-(trifluoromethyl)benzophenone Building Blocks CS-M-00890 207974-08-1 Enquire
3-(Trifluoromethyl)benzophenone Building Blocks CS-M-02420 728-81-4 Enquire
3,5-Bis(trifluoromethyl)benzophenone Building Blocks CS-M-02691 21221-93-2 Enquire
3-Fluoro-4-(trifluoromethyl)benzophenone Building Blocks CS-M-00900 243128-47-4 Enquire
4-Fluoro-3-(trifluoromethyl)benzophenone Building Blocks CS-M-00789 239087-04-8 Enquire
Benzophenone 5 Building Blocks CS-O-47217 6628-37-1 Enquire