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

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydrocinnamic Acid-1,2,3-13C3 Stable Isotopes CS-T-103200 501-52-0(Unlabelled) 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
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


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Methoxycinnamic Acid Ethyl Ester Impurity CS-T-32309 1929-30-2 Enquire
Trans-3,4-Difluorocinnamic acid Impurity CS-M-00285 112897-97-9 In Stock
trans-Cinnamic acid HCl Impurity CS-EO-03700 140-10-3 (Freebase) Enquire
3,4,5-trihydroxycinnamic acid decyl ester Impurity CS-O-37638 1770778-45-4 Enquire
4-Mercaptocinnamic Acid Impurity CS-T-32009 28995-22-4 Enquire
4-Mercaptocinnamic Acid Methyl Ester Impurity CS-T-32010 90843-37-1 Enquire
ALPHA-CYANOCINNAMIC ACID Impurity CS-DV-03468 1011-92-3 Enquire
cis-4-Hydroxycinnamic Acid Impurity CS-T-26673 4501-31-9 Enquire
trans-4-Chlorocinnamic Acid Impurity CS-T-11340 940-62-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Alpha-methylcinnamic acid Intermediate CS-T-66835 1199-77-5 In Stock
DL-3-phenyllactic acid Intermediate CS-AC-09298 828-01-3 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(2-Carboxyvinyl)benzoic acid Fine Chemicals CS-O-53166 19675-63-9 Enquire
Cinnamic Acid Fine Chemicals CS-T-12950 621-82-9 In Stock
Hydrocinnamic Acid Fine Chemicals CS-P-00078 501-52-0 In Stock
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 sodium salt Fine Chemicals CS-CD-00154 538-42-1 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Isopropylcinnamic acid Secondary Standards CS-SS-25046-50MG 3368-21-6 Enquire
Cinnamic acid Secondary Standards CS-SS-25488-200MG 0140-10-3 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Trans-Cinnamic acid-Beta,2,3,4,5,6-d6 Stable Isotope Reagent CS-BX-00375 91453-04-2 In Stock
trans-Cinnamic acid-β,2,3,4,5,6-d 6 Stable Isotope Reagent CS-C-01371 140-10-3 (Unlabelld) Enquire
Cinnamic Acid-13C3 Stable Isotope Reagent CS-T-95678 2734410-01-4 Enquire
D4-a-cyano-4-hydroxycinnamic acid Stable Isotope Reagent CS-O-45966 1258536-45-6 Enquire
trans-4-Hydroxycinnamic Acid D6 Stable Isotope Reagent CS-C-00398 501-98-4(Unlabeled) Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(Trifluoromethyl)cinnamic Acid Building Blocks CS-T-45320 779-89-5 In Stock
cis-cinnamic acid Building Blocks CS-O-45082 102-94-3 Enquire
2,3,4-Trifluorocinnamic acid Building Blocks CS-M-01561 207742-85-6 Enquire
2,3,5-Trifluorocinnamic acid Building Blocks CS-M-01562 237761-79-4 Enquire
2,3,6-Trifluorocinnamic acid Building Blocks CS-M-01563 230295-12-2 Enquire
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
3,4,5-Trifluorocinnamic acid Building Blocks CS-M-01565 152152-19-7 Enquire
4-(Trifluoromethyl)cinnamic acid Building Blocks CS-M-02426 16642-92-5 Enquire
Fmoc-4-aminocinnamic acid Building Blocks CS-M-29953 1009806-19-2 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(Z)-3,4-Dimethoxy Cinnamic Acid Chiral CS-P-07385 14737-88-3 Enquire