[]
Press enter to search compound
Logo
Quick Enquiry
  • sales@clearsynth.com
A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Coumarin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Coumarin 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 Coumarin-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.

Coumarin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Hydroxy Coumarin-13C6 b-D-Glucuronide Sodium Salt Stable Isotopes CS-T-101310 Not Available Enquire
7-Hydroxy Coumarin-d5 Stable Isotopes CS-T-55910 1215373-23-1 In Stock
7-Hydroxy Coumarin-d5 b-D-Glucuronide Sodium Salt Stable Isotopes CS-T-101311 Not Available Enquire
7-Hydroxy Coumarin-d5 Sulfate Potassium Salt Stable Isotopes CS-T-99221 1261392-49-7 Enquire
4-Hydroxy Coumarin-d4 Stable Isotopes CS-T-78690 106754-18-1 Enquire
5,7-Dimethoxy-3-(1-naphthoyl)coumarin Stable Isotopes CS-T-53344 86548-40-5 Enquire
7-Ethoxycoumarin D5 Stable Isotopes CS-T-54325 1189956-39-5 Enquire
7-Hydroxy Coumarin 13C3 Stable Isotopes CS-T-55911 1189958-16-4 Enquire
7-Hydroxy Coumarin 13C6 Stable Isotopes CS-T-55912 1189992-05-9 Enquire
7-Hydroxy Coumarin-13C6 Sulfate Potassium Salt Stable Isotopes CS-T-78044 1189702-86-0 Enquire
Coumarin-d4 Stable Isotopes CS-T-90435 185056-83-1 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Coumarin API CS-T-13392 91-64-5 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Hydroxy Coumarin Metabolite CS-O-14740 6093-67-0 Enquire
6-Bromo-7-hydroxy-4-(hydroxymethyl)coumarin Metabolite CS-DE-00553 223420-41-5 In Stock
8-Hydroxy Coumarin Metabolite CS-O-14741 2442-31-1 Enquire
4-Hydroxy-3-Phenylcoumarin Metabolite CS-P-07428 1786-05-6 Enquire
6-Methoxy-4-methylcoumarin Metabolite CS-E-01090 6295-35-8 Enquire
7-Hydroxycoumarin sulfate Metabolite CS-P-00331 69526-88-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,3'-methylenebis(4,6-dihydroxycoumarin) Impurity CS-O-57601 ---- Enquire
Coumarin 102 Impurity CS-T-89755 41267-76-9 In Stock
Octahydrocoumarin Impurity CS-O-60050 4430-31-3 Enquire
(4R)-6-Methoxycarbonyl-4-phenyl-3,4-dihydrocoumarin Impurity CS-T-32289 854626-79-2 Enquire
(S)-3-Amino-6,7-dihydroxyhydrocoumarin Hydrochloride Impurity CS-T-02439 30033-29-5 Enquire
3-(Salicylideneamino) Coumarin Impurity CS-T-61224 910217-51-5 Enquire
3-Acetamidocoumarin Impurity CS-T-00158 779-30-6 Enquire
3-Acetylcoumarin Impurity CS-E-00009 3949-36-8 Enquire
3-Aminocoumarin Impurity CS-E-00022 1635-31-0 Enquire
3-azido-7-hydroxycoumarin Impurity CS-DL-00754 817638-68-9 Enquire
3-Benzoyl-7-methoxy Coumarin Impurity CS-T-05270 64267-12-5 Enquire
3-Chlorocoumarin Impurity CS-CD-00064 92-45-5 Enquire
3-Cyano-7-ethoxycoumarin Impurity CS-T-89455 117620-77-6 Enquire
3-Ethyl Coumarin Impurity CS-P-07430 68898-39-3 Enquire
3-Hydroxycoumarin Impurity CS-DK-00145 939-19-5 Enquire
3-Methy Coumarin Impurity CS-P-07429 2445-82-1 Enquire
3-Methyl-6-nitrocoumarin Impurity CS-M-03155 103030-08-6 Enquire
4-(Bromomethyl)-6,7-dimethoxycoumarin Impurity CS-T-08516 88404-25-5 Enquire
4,5,7-Trimethylcoumarin Impurity CS-DK-00147 14002-91-6 Enquire
4,6,7-Trimethoxy-5-methylcoumarin Impurity CS-BT-00129 62615-63-8 Enquire
4,7-Dimethylcoumarin Impurity CS-DK-00143 14002-90-5 Enquire
4-Bromomethyl-7-acetoxycoumarin Impurity CS-T-49771 2747-04-8 Enquire
4-Bromomethyl-7-methoxycoumarin Impurity CS-T-08526 35231-44-8 Enquire
4-Hydroxy-5,7-dimethoxy-3-(4-methoxyphenyl)coumarin Impurity CS-DK-00137 14736-59-5 Enquire
4-Hydroxy-6-benzyloxycoumarin Impurity CS-T-26858 30992-65-5 Enquire
4-Hydroxy-7-benzyloxycoumarin Impurity CS-T-26859 30992-66-6 Enquire
4-Hydroxy-7-methoxycoumarin Impurity CS-T-27717 17575-15-4 Enquire
4-Methoxycoumarin Impurity CS-DK-00136 20280-81-3 Enquire
4-Methyl-7-trimethylsilyloxycoumarin Impurity CS-T-35282 67909-31-3 Enquire
4-Phthalimidylmethyl-6,7-dimethoxycoumarin Impurity CS-T-39900 887407-36-5 Enquire
5,6,7,8-Tetrafluorocoumarin Impurity CS-M-04859 33739-04-7 Enquire
5,6,7,8-Tetramethoxycoumarin Impurity CS-BT-00136 56317-15-8 Enquire
5,7,8-Trimethoxycoumarin Impurity CS-BT-00137 60796-65-8 Enquire
5-geranyloxy-7-methoxycoumarin Impurity CS-ED-02355 7380-39-4 Enquire
6,7,8-Trimethoxycoumarin Impurity CS-BT-00156 6035-49-0 Enquire
6,7-Dihydroxycoumarin (Esculetin) Impurity CS-T-91745 305-01-1 Enquire
6,7-Dimethoxycoumarin-4-acetic Acid Impurity CS-T-53341 88404-26-6 Enquire
6-Aminocoumarin hydrochloride Impurity CS-DK-00135 63989-79-7 Enquire
6-Bromo-4-hydroxycoumarin Impurity CS-T-70454 4139-61-1 Enquire
6-BROMOCOUMARIN-3-CARBOXYLIC ACID Impurity CS-CJ-00149 2199-87-3 Enquire
6-Chloro-7-hydroxy-4-(trifluoromethyl)coumarin Impurity CS-M-03402 119179-66-7 Enquire
6-METHOXY-4- METHYLCOUMARIN Impurity CS-CJ-00084 62925-35-8 Enquire
6-Methoxycoumarin Impurity CS-DK-00139 17372-53-1 Enquire
6-Methyl-4-phenylcoumarin Impurity CS-T-34839 16299-22-2 Enquire
6-Nitrocoumarin Impurity CS-DK-00138 2725-81-7 Enquire
7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin Impurity CS-T-50312 16281-39-3 Enquire
7-Geranyloxy-6-methoxycoumarin Impurity CS-BT-00167 28587-43-1 Enquire
7-Hydroxy-3-methyl-4-phenylcoumarin Impurity CS-DK-00141 54431-13-9 Enquire
7-Hydroxy-3-phenylcoumarin (3-Phenylumbelliferone) Impurity CS-DK-00144 6468-96-8 Enquire
7-Hydroxy-3-prenylcoumarin Impurity CS-BT-00169 86654-26-4 Enquire
7-Hydroxy-4-(3-trifluoromethylphenyl)coumarin Impurity CS-M-03104 386704-09-2 Enquire
7-Hydroxy-4-(pyridin-2-yl)coumarin Impurity CS-M-03107 386704-10-5 Enquire
7-Hydroxy-4-(pyridin-3-yl)coumarin Impurity CS-M-03103 109512-76-7 Enquire
7-Hydroxy-4-(pyridin-4-yl)coumarin monohydrate Impurity CS-M-03102 386704-08-1 Enquire
7-Hydroxy-4-phenylcoumarin Impurity CS-DK-00148 2555-30-8 Enquire
7-Hydroxy-6-methoxy-3-prenylcoumarin Impurity CS-BT-00170 299159-90-3 Enquire
7-Hydroxycoumarin-3-carboxylic acid Impurity CS-T-78906 779-27-1 Enquire
7-Hydroxycoumarin-4-acetic Acid Impurity CS-T-26688 6950-82-9 Enquire
7-Methoxy-4-methylcoumarin Impurity CS-T-32506 2555-28-4 Enquire
7-Methoxycoumarin Impurity CS-T-32702 531-59-9 Enquire
7-Methoxycoumarin-4-acetic Acid N-Succinimidyl Ester Impurity CS-T-32317 359436-89-8 Enquire
7-Methoxycoumarin-4-acetyl-L-proline Impurity CS-T-32339 359436-90-1 Enquire
8-Acetyl-6-hydroxy-7-methoxycoumarin Impurity CS-E-00014 Not Available Enquire
8-Acetyl-7-hydroxycoumarin Impurity CS-E-00013 6748-68-1 Enquire
8-Acetyl-7-methoxycoumarin Impurity CS-E-00015 89019-07-8 Enquire
8-Geranyloxy-5,7-dimethoxycoumarin Impurity CS-BT-00173 1228175-65-2 Enquire
Boc-Gln-Ala-Arg-7-amido-4-methylcoumarin Impurity CS-T-07412 113866-20-9 Enquire
Cholesteryl coumarin-3-carboxylate Impurity CS-T-72006 196091-78-8 Enquire
Coumarin 6 (3-(2-Benzothiazolyl)-7-(diethylamino)coumarin) Impurity CS-DK-00146 38215-36-0 Enquire
Coumarin-6-carboxaldehyde Impurity CS-M-03169 51690-26-7 Enquire
Coumarin-6-sulfonyl chloride Impurity CS-M-03154 10543-42-7 Enquire
Coumarin-7-pinacolboronate Impurity CS-T-13395 190788-61-5 Enquire
Ethyl 6-bromocoumarin-3-carboxylate Impurity CS-T-77911 2199-90-8 Enquire
Ethyl 7-hydroxycoumarin-4-carboxylate Impurity CS-M-03108 1084-45-3 Enquire
Gly-Gly-7-amido-4-methylcoumarin Impurity CS-T-79043 191723-65-6 Enquire
Hexahydrocoumarin Impurity CS-T-26114 700-82-3 Enquire
L-Alanine 7-Amido-4-methylcoumarin, Trifluoroacetate Salt Impurity CS-T-66617 96594-10-4 Enquire
L-Glutamic Acid alpha-(7-Amido-4-methylcoumarin) Impurity CS-T-79333 98516-76-8 Enquire
L-Gly-7-amino-4-methylcoumarin Impurity CS-T-78332 77471-42-2 Enquire
L-histidine 7-amido-4-methylcoumarin Impurity CS-AD-00747 191723-64-5 Enquire
L-isolecucine 7-amido-4- Methylcoumarin Trifluoroacetate Sal... Impurity CS-AD-00748 191723-68-9 Enquire
METHYL-6,7- DIMETHOXYCOUMARIN-4- ACETATE Impurity CS-CJ-00156 Not Available Enquire
N-d-Biotinyl-7-amino-4-methylcoumarin Impurity CS-T-49137 191223-35-5 Enquire
rac 6-Methoxycarbonyl-4-phenyl-3,4-dihydrocoumarin Impurity CS-T-32292 380636-42-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Methylcoumarin Intermediate CS-M-57849 92-48-8 In Stock
7-Ethoxycoumarin Intermediate CS-T-22340 31005-02-4 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Methylumbelliferyl a-L-Idopyranosiduronic Acid 2-Sulfate D... Glucuronide CS-T-103254 2181774-46-7 Enquire
7-Hydroxy Coumarin 2,3,4-Tri-O-acetyl-Beta-D-glucuronide Met... Glucuronide CS-T-55916 168286-97-3 Enquire
7-Hydroxy Coumarin B-D-Glucuronide Sodium Glucuronide CS-T-55913 168286-98-4 Enquire
7-Hydroxy Coumarin-Beta-D-Glucuronide Methyl Ester Glucuronide CS-T-55914 1176514-11-6 Enquire
7-Hydroxycoumarin glucuronide Glucuronide CS-P-07431 66695-14-5 Enquire
7-Hydroxycoumarin glucuronide sodium salt Glucuronide CS-BX-00213 66695-14-5 (free acid) Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7,7'-Dihydroxy-6,8'-bicoumarin Fine Chemicals CS-O-57851 ---- Enquire
7-Amino-4-methylcoumarin Fine Chemicals CS-T-02961 26093-31-2 Enquire
Glycyl-L-proline 7-amido-4-methylcoumarin hydrobromide Fine Chemicals CS-CE-00752 115035-46-6 In Stock
6 Nitro-4-Hydroxycoumarin Fine Chemicals CS-O-38270 1641-03-8 Enquire
7,8-Dihydroxy-4-methylcoumarin Fine Chemicals CS-O-41825 2107-77-9 Enquire
8-Hydroxy-7-methoxycoumarin Fine Chemicals CS-O-41845 19492-03-6 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Nitrocoumarin Building Blocks CS-O-43683 28448-04-6 Enquire
5,7-Dimethoxycoumarin Building Blocks CS-O-41798 487-06-9 Enquire
7-(Diethylamino)-4-(hydroxymethyl)coumarin Building Blocks CS-TB-35826 54711-38-5 Enquire
7-Acetoxycoumarin Building Blocks CS-O-43501 10387-49-2 Enquire
7-Ethoxy-4-(trifluoromethyl)coumarin Building Blocks CS-T-74631 115453-82-2 Enquire
Fmoc-l-glutamic acid 1-(7-amido-4-methylcoumarin) Building Blocks CS-T-77358 957311-37-4 Enquire
Glutaryl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydrochl... Building Blocks CS-T-79520 103213-40-7 Enquire
Glutaryl-L-phenylalanine 7-Amido-4-methylcoumarin Building Blocks CS-T-78068 58632-47-6 Enquire
N-CBZ-Glycyl-L-proline 7-Amido-4-methylcoumarin Building Blocks CS-T-68993 68542-93-8 Enquire
Swietenocoumarin B Building Blocks CS-ED-00964 64652-23-9 Enquire
Swietenocoumarin F Building Blocks CS-ED-00963 64652-27-3 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydrocoumarin Pesticide Standards CS-T-78063 119-84-6 In Stock