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

Cinnamic Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,4-Dimethoxy[7,8,9,-13C3]-cinnamic Acid Stable Isotopes CS-T-90615 1185241-38-6 Enquire
3-Hydroxy-4-methoxycinnamic Acid-d3 (Isoferulic Acid-d3) Stable Isotopes CS-T-78813 1028203-97-5 Enquire
Hydrocinnamic Acid-1,2,3-13C3 Stable Isotopes CS-T-103200 501-52-0(Unlabelled) Enquire
trans-4-Hydroxycinnamic Acid D6 Stable Isotopes CS-C-00398 501-98-4(Unlabeled) Enquire
trans-Cinnamic acid-β,2,3,4,5,6-d 6 Stable Isotopes CS-C-01371 140-10-3 (Unlabelld) Enquire
trans-Cinnamic-D7 acid Stable Isotopes CS-BX-00376 308796-47-6 Enquire
α-[2-(Dimethylamino-d6)ethyl] Hydrocinnamic Acid Stable Isotopes CS-T-100414 1346604-83-8 Enquire
α-[2-(Dimethylamino-d6)ethyl] Hydrocinnamic Acid Ethyl Ester Stable Isotopes CS-T-100413 1346601-78-2 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,4,5-trihydroxycinnamic acid decyl ester Impurities CS-O-37638 1770778-45-4 Enquire
4-Mercaptocinnamic Acid Impurities CS-T-32009 28995-22-4 Enquire
4-Mercaptocinnamic Acid Methyl Ester Impurities CS-T-32010 90843-37-1 Enquire
4-Methoxycinnamic Acid Ethyl Ester Impurities CS-T-32309 1929-30-2 Enquire
ALPHA-CYANOCINNAMIC ACID Impurities CS-DV-03468 1011-92-3 Enquire
cis-4-Hydroxycinnamic Acid Impurities CS-T-26673 4501-31-9 Enquire
Trans-3,4-Difluorocinnamic acid Impurities CS-M-00285 112897-97-9 In Stock
trans-4-Chlorocinnamic Acid Impurities CS-T-11340 940-62-5 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,4-Dihydroxycinnamicacid" Intermediates CS-CJ-00118 614-86-8 Enquire
"3,5-Dihydroxyhydrocinnamic acid" Intermediates CS-BX-00018 26539-01-5 Enquire
"trans-2,6-Difluorocinnamic acid" Intermediates CS-M-00284 102082-89-3 Enquire
"trans-3,5-Difluorocinnamic acid" Intermediates CS-M-00286 147700-58-1 Enquire
(E)-4-Formylcinnamic Acid Methyl Ester Intermediates CS-T-76405 58045-41-3 Enquire
2,4-Bis(trifluoromethyl)cinnamic acid Intermediates CS-ED-16182 773129-10-5 Enquire
2,5-Bis(trifluoromethyl)hydrocinnamic acid Intermediates CS-ED-13596 302912-03-4 Enquire
2,5-Dimethylcinnamic acid Intermediates CS-ED-26969 95883-10-6 Enquire
2-Acetoxycinnamic acid Intermediates CS-ED-38651 55620-18-3 Enquire
2-Amino-4-bromocinnamic acid Intermediates CS-ED-06493 914636-63-8 Enquire
2-Bromo-4-fluorocinnamic acid Intermediates CS-T-68648 289038-17-1 Enquire
2-Bromo-5-fluorocinnamic acid Intermediates CS-ED-21579 939410-87-4 Enquire
2-Bromo-6-(trifluoromethoxy)cinnamic acid Intermediates CS-T-70201 1381952-87-9 Enquire
2-Bromocinnamic Acid Intermediates CS-T-08074 7499-56-1 Enquire
2-Bromocinnamic acid ethyl ester Intermediates CS-ED-21732 91047-77-7 Enquire
2-carboxycinnamic acid Intermediates CS-T-66870 612-40-8 Enquire
2-Chloro-5-(trifluoromethyl)cinnamic acid Intermediates CS-T-72772 682805-12-5 Enquire
2-Fluoro-3-(trifluoromethoxy)cinnamic acid Intermediates CS-T-76469 1381952-85-7 Enquire
2-Fluoro-3-(trifluoromethyl)cinnamic acid Intermediates CS-M-00806 237069-83-9 Enquire
2-Fluoro-4-(trifluoromethyl)cinnamic acid Intermediates CS-M-00903 262608-88-8 Enquire
2-Fluoro-5-(trifluoromethyl)cinnamic acid Intermediates CS-M-01048 247113-91-3 Enquire
2-Formylcinnamic Acid Intermediates CS-T-24671 28873-89-4 Enquire
2-Methoxy-3-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30955 1092460-72-4 Enquire
2-Methoxy-5-(trifluoromethoxy)cinnamic acid Intermediates CS-ED-30949 1017779-14-4 Enquire
2-Methyl-3-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30928 1017777-95-5 Enquire
2-Methyl-5-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30930 1017778-08-3 Enquire
2-Methylcinnamic Acid Intermediates CS-ED-31449 939-57-1 Enquire
3,4-Dimethoxycinnamic Acid Intermediates CS-M-15654 2316-26-9 Enquire
3-Acetoxycinnamic acid Intermediates CS-ED-04656 20375-42-2 Enquire
3-Bromo-2-fluorocinnamic acid Intermediates CS-AC-07461 1214791-57-7 Enquire
3-Bromo-4-ethoxycinnamic Acid Intermediates CS-T-70285 99853-24-4 Enquire
3-Bromo-4-fluorocinnamic acid Intermediates CS-AC-07443 160434-49-1 Enquire
3-Bromo-4-methoxycinnamic acid Intermediates CS-T-69252 1080-07-5 Enquire
3-Bromo-5-(trifluoromethoxy)cinnamic acid Intermediates CS-ED-16184 1092460-68-8 Enquire
3-Chloro-4-(trifluoromethyl)cinnamic acid Intermediates CS-ED-23439 1092460-80-4 Enquire
3-Chloro-4-ethoxy-5-fluorocinnamic acid Intermediates CS-ED-23435 1017779-08-6 Enquire
3-Chloro-4-fluorocinnamic acid Intermediates CS-M-00945 155814-22-5 Enquire
3-Chloro-5-fluorocinnamic acid Intermediates CS-ED-23421 936366-61-9 Enquire
3-Cyanocinnamic Acid Intermediates CS-T-90324 16642-93-6 Enquire
3-Ethoxy-2,4-difluorocinnamic acid Intermediates CS-ED-28068 1017778-44-7 Enquire
3-Fluoro-2-methylcinnamic Acid Intermediates CS-T-77454 155814-23-6 Enquire
3-Fluoro-5-(trifluoromethyl)cinnamic acid Intermediates CS-M-01049 575469-96-4 Enquire
3-Hydroxy-4-methoxycinnamic Acid (Isoferulic Acid) Intermediates CS-T-78706 537-73-5 Enquire
3-Methoxy-5-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30954 1092460-71-3 Enquire
3-Methyl-5-(trifluoromethoxy)cinnamic acid Intermediates CS-ED-30937 1005378-68-6 Enquire
3-Methyl-5-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30953 1092460-62-2 Enquire
3-Methylcinnamic acid Intermediates CS-O-30670 14473-89-3 Enquire
4-(Dimethylamino)cinnamic acid Intermediates CS-T-90447 1552-96-1 Enquire
4-(Octyloxy)cinnamic acid Intermediates CS-ED-28224 99196-58-4 Enquire
4-(Pentafluorosulfur)cinnamic acid Intermediates CS-EM-00516 1240261-80-6 Enquire
4-Acetoxy-3-methoxycinnamic acid Intermediates CS-ED-37934 34749-55-8 Enquire
4-Amino-3-nitrocinnamic acid Intermediates CS-ED-10611 51794-06-0 Enquire
4-Aminocinnamic acid Intermediates CS-AC-03247 2393-18-2 Enquire
4-Aminocinnamic acid hydrochloride Intermediates CS-ED-11803 54057-95-3 Enquire
4-Bromo-2-fluorocinnamic acid Intermediates CS-M-00431 149947-19-3 Enquire
4-Bromo-2-nitrocinnamic acid Intermediates CS-AC-09377 20357-30-6 Enquire
4-Bromo-3-fluorocinnamic acid Intermediates CS-AC-07679 923266-17-5 Enquire
4-Bromo-3-methoxycinnamic acid Intermediates CS-T-71088 924271-33-0 Enquire
4-Chloro-2-fluorocinnamic acid Intermediates CS-M-00674 202982-65-8 Enquire
4-Chloro-3-(trifluoromethyl)cinnamic acid Intermediates CS-M-00816 257872-87-0 Enquire
4-Chlorocinnamic Acid Intermediates CS-T-69309 1615-02-7 Enquire
4-Chlorosulfonylcinnamic Acid Intermediates CS-T-12657 17641-30-4 Enquire
4-Ethoxy-2,3-difluorocinnamic acid Intermediates CS-ED-28057 1017779-66-6 Enquire
4-Ethoxy-3,5-difluorocinnamic acid Intermediates CS-ED-28053 1017779-43-9 Enquire
4-Ethylcinnamic acid Intermediates CS-T-76251 28784-98-7 Enquire
4-Fluoro-2-(trifluoromethyl)cinnamic acid Intermediates CS-EL-30428 280753-26-6 Enquire
4-Fluoro-3-(trifluoromethyl)cinnamic acid Intermediates CS-M-00807 239463-90-2 Enquire
5-Bromo-2-(trifluoromethoxy)cinnamic acid Intermediates CS-T-69402 1381952-88-0 Enquire
5-Bromo-2-fluorocinnamic acid Intermediates CS-M-00432 202865-71-2 Enquire
5-Bromo-2-methoxycinnamic acid Intermediates CS-EL-00836 40803-53-0 Enquire
5-Carboxy-2-fluorocinnamic acid Intermediates CS-T-68909 1380317-47-4 Enquire
5-Fluoro-2-(trifluoromethyl)cinnamic acid Intermediates CS-M-00598 231291-18-2 Enquire
5-Methyl-2-(trifluoromethyl)cinnamic acid Intermediates CS-ED-30952 1017779-24-6 Enquire
alpha-Ethyl-3-nitrocinnamic acid Intermediates CS-ED-41360 124525-55-9 Enquire
Alpha-methylcinnamic acid Intermediates CS-T-66835 1199-77-5 In Stock
a-Phenylcinnamic Acid Intermediates CS-T-39438 91-48-5 Enquire
Beta-Cyano-Beta-methyl-hydrocinnamic Acid Ethyl Ester Intermediates CS-T-51372 123064-05-1 Enquire
Boc-4-aminocinnamic acid Intermediates CS-ED-14003 197073-43-1 Enquire
Hydrocinnamic Acid N-Hydroxysuccinimide Ester Intermediates CS-T-79699 109318-10-7 Enquire
m-Carboxycinnamic Acid Bishydroxamide Intermediates CS-T-10358 174664-65-4 Enquire
p-Chlorosulfonyldihydrocinnamic acid Intermediates CS-T-71887 63545-54-0 Enquire
p-Fluoro-a-acetamidocinnamic Acid Intermediates CS-T-75570 111649-72-0 Enquire
ß-Bromohydrocinnamic Acid Intermediates CS-T-08482 15463-91-9 Enquire
trans-3-(Trifluoromethoxy)cinnamic acid Intermediates CS-M-01173 168833-80-5 Enquire
α-Acetamidocinnamic Acid Intermediates CS-T-64200 5469-45-4 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2-Chloro-3,6-difluorocinnamic acid" Fine Chemicals CS-M-00775 261762-48-5 Enquire
2-Chloro-5-nitrocinnamic acid Fine Chemicals CS-M-03315 36015-19-7 Enquire
2-Chlorocinnamic acid Fine Chemicals CS-M-01822 3752-25-8 Enquire
2-Fluorocinnamic acid Fine Chemicals CS-M-01825 451-69-4 Enquire
3-Chlorocinnamic acid Fine Chemicals CS-O-41785 1866-38-2 Enquire
3-Fluorocinnamic acid Fine Chemicals CS-M-01826 20595-30-6 Enquire
4-Acetoxycinnamic acid Fine Chemicals CS-M-01269 15486-19-8 Enquire
4-Fluorocinnamic acid Fine Chemicals CS-M-01824 459-32-5 Enquire
Cinnamic Acid Fine Chemicals CS-T-12950 621-82-9 In Stock
Cinnamic acid sodium salt Fine Chemicals CS-CD-00154 538-42-1 Enquire
Hydrocinnamic Acid Fine Chemicals CS-P-00078 501-52-0 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,4,5-Trifluorocinnamic acid Building Blocks CS-M-01564 247170-17-8 Enquire
2,4,6-Trimethylcinnamic acid Building Blocks CS-O-43538 110795-27-2 Enquire
2,6-Dimethylcinnamic acid Building Blocks CS-O-43537 110795-26-1 Enquire
3-(Trifluoromethyl)cinnamic Acid Building Blocks CS-T-45320 779-89-5 In Stock
4-(Trifluoromethyl)cinnamic acid Building Blocks CS-M-02426 16642-92-5 Enquire
cis-cinnamic acid Building Blocks CS-O-45082 102-94-3 Enquire