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

Pyrene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(7R,8S,9R,10S)-rel-7,8,9,10-Tetrahydrobenzo[a]pyrene-7,8,9,1... Stable Isotopes CS-T-97876 2743760-46-3 Enquire
(7R,8S,9R,10S)-rel-7,8,9,10-Tetrahydrobenzo[a]pyrene-7,8,9,1... Stable Isotopes CS-T-97877 Not Available Enquire
(7α,8β,9α,10α)-7,8,9,10-Tetrahydrobenzo[a]pyrene-7,8,9,10-te... Stable Isotopes CS-T-97874 Not Available Enquire
(7α,8β,9α,10α)-7,8,9,10-Tetrahydrobenzo[a]pyrene-7,8,9,10-te... Stable Isotopes CS-T-97875 Not Available Enquire
1,8-Dinitropyrene-d8 Stable Isotopes CS-T-98172 121700-15-0 In Stock
1-Aminopyrene-13C6 Stable Isotopes CS-T-100846 Not Available Enquire
1-Aminopyrene-d9 Stable Isotopes CS-T-95532 128008-86-6 Enquire
1-Chloropyrene-13C6 (mixture of two isomers) Stable Isotopes CS-T-98228 Not Available Enquire
1-Hydroxypyrene-d9 (1mg/mL in Methanol) Stable Isotopes CS-T-103250 132603-37-3 In Stock
1-Hydroxypyrene-d9 b-D-Glucuronide Stable Isotopes CS-T-96539 Not Available Enquire
1-Hydroxypyrene-d9 b-D-Glucuronide (100ug/mL in Methanol) Stable Isotopes CS-T-102976 154717-05-2(Unlabelled) Enquire
1-Nitropyrene-d9 Stable Isotopes CS-T-83818 93487-20-8 In Stock
1-Palmitoyl-2-pyrenedecanoylphosphatidylcholine-d9 Stable Isotopes CS-T-97938 70700-33-3(Unlabelled) Enquire
1-Pyrenebutyric Acid-13C4 Stable Isotopes CS-T-97904 Not Available Enquire
3,6-Dibromopyrene-1,2,4,5,7,8,9,10-d8 Stable Isotopes CS-O-55475 1280709-94-5 Enquire
3,8-Dibromopyrene-1,2,4,5,6,7,9,10-d8 Stable Isotopes CS-O-55486 1280709-96-7 Enquire
3-Hydroxy Benzo (a) Pyrene-13C6 Stable Isotopes CS-BU-00016 13345-21-6 (unlabeled) Enquire
3-Hydroxy Benzopyrene-13C6 Stable Isotopes CS-T-98093 Not Available Enquire
7-Hydroxybenzo[a]pyrene-13C4 Stable Isotopes CS-T-98092 Not Available Enquire
8-bromo-Pyrene-1,2,3,4,5,6,7,9,10-d9 Stable Isotopes CS-O-55489 888950-04-7 Enquire
9,10-Dihydrobenzo[a]pyrene-13C4 Stable Isotopes CS-T-98192 Not Available Enquire
Benzo[a]​pyrene-​7,8-dione-d10 Stable Isotopes CS-T-98260 Not Available Enquire
Benzo[a]​pyrene-​9,​10-​diol-d10 Stable Isotopes CS-T-98259 Not Available Enquire
Benzo[a]pyrenetetrol I 2-13C4 Stable Isotopes CS-T-98256 Not Available Enquire
Benzo[a]pyrenetetrol I 2-d8 Stable Isotopes CS-T-98257 Not Available Enquire
Benzo[a]pyrenetetrol II 1 -13C4 Stable Isotopes CS-T-98254 Not Available Enquire
Benzo[a]pyrenetetrol II 1-d8 Stable Isotopes CS-T-98255 Not Available Enquire
Benzopyrene-13C4 Stable Isotopes CS-T-98261 Not Available Enquire
Dibenzo[e,l]pyrene-d14 Stable Isotopes CS-T-98207 Not Available Enquire
y-Oxo-1-pyrenebutanoic Acid-13C4 Stable Isotopes CS-T-96689 Not Available Enquire
α-Methyl-1-pyrenemethanol-d3 Stable Isotopes CS-T-98031 Not Available Enquire
1-Hydroxypyrene D9 Stable Isotopes CS-T-56420 132603-37-3 Enquire
3-Hydroxy Benzopyrene-d11 Stable Isotopes CS-T-55839 1246819-35-1 Enquire
9-Hydroxy Benzopyrene-d11 Stable Isotopes CS-T-79748 1246818-35-8 Enquire
Dibenzo[a,h]pyrene 13C12 Stable Isotopes CS-R-00721 189-64-0 (Unlabeled) Enquire
Dibenzo[a,i]pyrene-d14 Stable Isotopes CS-T-88439 158776-07-9 Enquire
Pyrene 13C6 Stable Isotopes CS-T-60911 1346601-04-4 Enquire
Pyrene D10 Stable Isotopes CS-T-60910 1718-52-1 Enquire
trans-7,8-Dihydroxy-7,8-dihydrobenzo[a]pyrene-d8 Stable Isotopes CS-T-53182 861441-06-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pyrene API CS-T-41002 129-00-0 In Stock
Acepyrene API CS-T-46908 27208-37-3 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1-Pyrene)methyl Methacrylate Impurity CS-T-60919 86112-79-0 Enquire
(7a,8ß,9a,10a)-7,8,9,10-Tetrahydrobenzo[a]pyrene-7,8,9,10-te... Impurity CS-T-61971 61490-69-5 Enquire
1-Pyrenebutyric Acid Impurity CS-T-60912 3443-45-6 Enquire
1-Pyrenebutyryl Aminopropyl Methanethiosulfonate Impurity CS-T-60917 1391053-24-9 Enquire
1-Pyrenemethanol Impurity CS-T-60918 24463-15-8 Enquire
3a1,5a1-dimethyldodecahydro-3a,5a,8a,10a-tetraazapyrene Impurity CS-O-41432 Not Available Enquire
3-Methoxy Benzopyrene Impurity CS-T-57452 63059-68-7 Enquire
6-Acetyloxy-3-methoxy-11,12-dihydro-benzopyrene Impurity CS-T-64514 1797227-23-6 Enquire
8-Aminopyrene-1,3,6-trisulfonic Acid trisodium salt Impurity CS-T-03431 196504-57-1 Enquire
8-Isothiocyanatopyrene-1,3,6-trisulfonic Acid Trisodium Salt Impurity CS-T-30101 51987-57-6 Enquire
9,10-Dihydro-1-benzo[a]pyrene-7(8H)-one O-Acetyl Oxime Impurity CS-T-52981 72297-04-2 Enquire
9,10-Dihydro-1-benzo[a]pyrene-7(8H)-one Oxime Impurity CS-T-52983 88909-82-4 Enquire
9,10-Dihydrobenzo[a]pyrene Impurity CS-T-52992 17573-15-8 Enquire
a-Methyl-1-pyrenemethanol Impurity CS-T-35003 65954-42-9 Enquire
Benzo[a]pyrene Diol Epoxide Impurity CS-T-49003 58917-67-2 Enquire
Benzopyrene Related Compound 10 Impurity CS-P-07323 55097-80-8 Enquire
Benzopyrene Related Compound 11 Impurity CS-P-07324 13345-25-0 Enquire
Benzopyrene Related Compound 3 (Benzo[a]pyrene-7, 8-Diol) Impurity CS-P-07326 57303-99-8 Enquire
Benzopyrene Related Compound 5 (Benzo[a]pyrene 7, 8-Oxide) Impurity CS-P-07327 36504-65-1 Enquire
Benzopyrene Related Compound 7 (Benzo[a]pyrene-3, 6- Quinone... Impurity CS-P-07320 64133-78-4 Enquire
Benzopyrene Related Compound 8 (Benzo[a]pyrene-1, 6- Quinone... Impurity CS-P-07321 64133-79-5 Enquire
Benzopyrene Related Compound 9 Impurity CS-P-07322 57303-98-7 Enquire
Dibenzo[a,e]pyrene Impurity CS-T-52455 192-65-4 Enquire
Dibenzo[a,i]pyrene Impurity CS-T-52447 189-55-9 Enquire
Dibenzo[e,l]pyrene Impurity CS-T-52472 192-51-8 Enquire
N-4-(1-Pyrene)butyroylglycine Impurity CS-T-60913 228414-55-9 Enquire
N-4-(1-Pyrene)butyroylglycylglycyl-L-phenylalanine Impurity CS-T-60915 228414-53-7 Enquire
N-4-(1-Pyrene)butyroyl-L-phenylalanine Ethyl Ester Impurity CS-T-60916 1331912-17-4 Enquire
N-Acryloyl-1-pyrenebutylamine Impurity CS-T-01294 133399-57-2 Enquire
Simvastatin, 1-Pyreneacetyl Ester Impurity CS-T-61315 193682-18-7 Enquire
trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate Impurity CS-T-61783 57405-00-2 Enquire
trans-7,8-Dihydroxy-7,8-dihydrobenzo[a]pyrene Impurity CS-T-53181 57404-88-3 Enquire
trans-7,8-Dihydroxy-7,8-dihydrobenzo[a]pyrene Dibenzoate Impurity CS-T-53183 57405-08-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Hydroxy Benzopyrene Intermediate CS-T-55838 13345-21-6 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Hydroxypyrene beta-D-Glucuronide Methyl Ester Glucuronide CS-T-79659 ---- Enquire
1-Hydroxypyrene-Beta-D-Glucuronide Glucuronide CS-T-28555 154717-05-2 Enquire
3-Hydroxy Benzopyrene-Beta-D-glucuronide Glucuronide CS-T-55840 60262-81-9 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Hydroxypyrene Fine Chemicals CS-O-10313 5315-79-7 In Stock
1-Nitropyrene Fine Chemicals CS-M-02634 5522-43-0 In Stock
Benzo[a]pyrene 100 µg/mL in acetonitrile Fine Chemicals CS-O-58133 50-32-8 Enquire
Benzopyrene Fine Chemicals CS-T-05163 50-32-8 In Stock
1-Bromopyrene Fine Chemicals CS-T-08890 1714-29-0 Enquire
1-Pyrenebutylamine Fine Chemicals CS-T-41006 205488-15-9 Enquire
1-Pyrenecarboxylic Acid Fine Chemicals CS-DE-01607 19694-02-1 Enquire
2-Bromopyrene Fine Chemicals CS-DV-01587 1714-27-8 Enquire
4-Pyreneacetic Acid Fine Chemicals CS-T-41005 22245-55-2 Enquire
Benzo[e]pyrene Fine Chemicals CS-T-05165 192-97-2 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Pyreneacetic acid Building Blocks CS-O-49000 64709-55-3 Enquire
2,7-Bis(t-Butyl)-4,5-pyrenedione Building Blocks CS-O-48200 704860-92-4 Enquire
2,7-Bis(trimethylsilyl)-4,5-pyrenedione Building Blocks CS-O-48201 Not Available Enquire
2-Nitropyrene Building Blocks CS-O-52450 789-07-1 Enquire
4,5-Pyrenedione Building Blocks CS-ED-41753 6217-22-7 Enquire
N-(1-L-Phenylalanine)-4-(1-pyrene)butyramide Building Blocks CS-T-60379 199612-75-4 Enquire
N-4-(1-Pyrene)butyroylglycyl-L-phenylalanine Building Blocks CS-T-60914 228414-52-6 Enquire