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

Pentane Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S)-3-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclop... Stable Isotopes CS-T-100983 Not Available Enquire
(1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-... Stable Isotopes CS-T-100892 Not Available Enquire
(1S,2S,3R,5S)-3-[[3-[(1R,2S)-2-(3,4-Difluorophenyl)cycloprop... Stable Isotopes CS-T-100455 Not Available Enquire
(1S,2S,3R,5S)-3-[7-[[(1R,2S)-2-(2,3-difluorophenyl)cycloprop... Stable Isotopes CS-T-100450 Not Available Enquire
(1S,2S,3R,5S)-3-[7-[[(1R,2S)-2-(4-fluorophenyl)cyclopropyl]a... Stable Isotopes CS-T-100296 Not Available Enquire
(2R,3S,4S)-1-(2-Phenylhydrazono)-pentane-2,3,4-triacetate-d3 Stable Isotopes CS-T-99884 Not Available Enquire
1,2-Pentanediol-d7 Stable Isotopes CS-T-102648 5343-92-0(Unlabelled) Enquire
1-[(4-Chlorophenyl)methyl]-3,3-dimethyl-2-oxocyclopentanecar... Stable Isotopes CS-T-102846 115851-50-8(Unlabelled) Enquire
1-[(4-Chlorophenyl)methyl]-3-methyl-2-oxocyclopentanecarboxy... Stable Isotopes CS-T-102848 Not Available Enquire
1-trans-2-cis-4-Trimethylcyclopentane-d3 Stable Isotopes CS-T-102003 Not Available Enquire
2-(3,4-Dimethoxyphenyl)-2-isopropyl-d7-5-oxopentanenitrile Stable Isotopes CS-T-101483 Not Available Enquire
2-(4-Nitro-1,3-dioxoisoindolin-2-yl)pentanedioic Acid-d4 Stable Isotopes CS-T-102532 1416575-82-0 Enquire
2,2,4-Trimethyl-1,3-pentanediol Diisobutyrate-d14 Stable Isotopes CS-T-102753 2714472-55-4 Enquire
2,2,4-Trimethyl-1,3-pentanediol-d6 Stable Isotopes CS-T-103140 144-19-4(Unlabelled) Enquire
2-Hydroxy-1-phenylpentane-d5 Stable Isotopes CS-T-98722 Not Available Enquire
3-Hydroxy-1,5-pentanedioic-2,2,3,4,4-d5 Acid Stable Isotopes CS-C-00570 1219805-72-7 Enquire
3-Methylpentanedioic-2,2,4,4-d4 Acid Stable Isotopes CS-C-01084 1219798-68-1 In Stock
4,4-Dimethyl-4-(silapentane-d6)-1-sulfonic Acid Stable Isotopes CS-TB-39595 284664-85-3 Enquire
Beta-Oxocyclopentanepropanenitrile-d8 Stable Isotopes CS-O-60174 2469103-33-9 Enquire
Neopentanesulfonamide-d3 Stable Isotopes CS-T-99144 Not Available Enquire
Pentamidine-d4 2HCl (pentane-1,1,5,5-d4) Stable Isotopes CS-C-01236 1276197-32-0 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S)-3-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclop... Impurity CS-T-65819 208762-35-0 In Stock
(1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-... Impurity CS-T-65978 1402150-32-6 In Stock
(1S,2S,3R,5S)-3-amino-5-(2-hydroxyethoxy)cyclopentane-1,2-di... Impurity CS-O-53563 1444301-60-3 Enquire
(1S,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic... Impurity CS-DV-00066 161601-29-2 Enquire
(2R,4R)-(-)-2,4-pentanediol Impurity CS-DV-00117 42075-32-1 Enquire
(2S)-2-(4-Bromophenyl)-1,5-pentanediol Impurity CS-O-54693 2180154-00-9 Enquire
(R)-Diethyl 2-((tert-butoxycarbonyl)amino)pentanedioate Impurity CS-O-48181 93720-76-4 Enquire
(S)-1-(2-oxo-4-phenyloxazolidin-3yl)-5-phenylpentane-1,5-dio... Impurity CS-O-37528 Not Available In Stock
1-(2-phenylhydrazineylidene)pentane-2,3,4-triyl triacetate Impurity CS-O-45077 ---- Enquire
1,5-bis(fluorodiisopropylsilyl)pentane Impurity CS-O-48693 Not Available Enquire
1,5-Dicyclohexyl-1,5-diphenyl-2-(pyrrolidin-1-ylmethyl)penta... Impurity CS-O-36664 Not Available Enquire
1-Aminopentane Impurity CS-U-00065 110-58-7 In Stock
1-trans-2-cis-4-Trimethylcyclopentane Impurity CS-T-87440 16883-48-0 Enquire
2-(4-(2-(2,4-Diaminopteridin-7-yl)ethyl)benzamido) pentanedi... Impurity CS-O-33314 Not Available Enquire
2-Acetyl-3-(3-nitro-phenyl)-4- [1-{[1-(3-nitro-phenyl)-meth-... Impurity CS-O-41455 Not Available Enquire
2-Acetyl-3-(3-nitro-phenyl)-4-[1-{[1-(3-nitro-phenyl)-meth-(... Impurity CS-O-41453 Not Available Enquire
2-Acetyl-3-(3-nitro-phenyl)-4-[1-{[1-(3-nitro-phenyl)-meth-(... Impurity CS-O-41456 Not Available Enquire
2H,3H-Decafluoropentane Impurity CS-CE-00157 138495-42-8 Enquire
3-(1H-Benzoimidazol-2-yl)-1,2,2-trimethyl-cyclopentanecarbox... Impurity CS-M-21645 1185300-27-9 Enquire
3-(methylimino)pentanedioic acid Impurity CS-O-44183 1064778-73-9 Enquire
3-Formyl-2-isobutyl-4-methylpentanenitrile Impurity CS-O-42703 Not Available Enquire
3-Hydroxy-3-(methyl(2-(pyridin-2-yl)ethyl)carbamoyl)pentaned... Impurity CS-O-53843 ----- Enquire
3-Methylpentane Impurity CS-T-81709 96-14-0 Enquire
5,5'-(1-(2-fluorophenyl)-2-oxopentane-1,5-diyl)bis(5,6,7,7a-... Impurity CS-O-42001 Not Available Enquire
Bicyclo[1.1.1]pentane-1-carboxylic acid, 3-(aminomethyl)- Impurity CS-O-40285 2166774-19-0 Enquire
Bicyclo[1.1.1]pentane-1-carboxylic acid, 3-(aminomethyl)-, h... Impurity CS-O-40286 2173991-78-9 Enquire
Ethyl 2-oxocyclopentanecarboxylate Impurity CS-M-25998 611-10-9 Enquire
N1,N4-Bis-(7-chloroquinolin-4-yl)-N1-ethylpentane-1,4-diamin... Impurity CS-T-93788 2518282-96-5 Enquire
trans-1,2-Dimethylcyclopentane Impurity CS-T-53442 822-50-4 Enquire
trans-1,3-Dimethylcyclopentane Impurity CS-T-53440 1759-58-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,5-Diiodopentane Intermediate CS-AC-10131 628-77-3 In Stock
1,5-Pentanediol Intermediate CS-T-84618 111-29-5 In Stock
1-Amino cyclopentane nitrile HCl Intermediate CS-T-02263 16195-83-8 In Stock
3-(Ethoxymethylene)-2,4-pentanedione Intermediate CS-O-49648 33884-41-2 Enquire
Bicyclo[1.1.1]pentan-1-ol Intermediate CS-BL-00136 22287-25-8 Enquire
Boc-trans-2-aminocyclopentanecarboxylic acid Intermediate CS-O-49661 136315-71-4 Enquire
Ethyl cyclopentanecarboxylate Intermediate CS-AB-02585 5453-85-0 In Stock
Methyl cyclopentanepropanoate Intermediate CS-ED-42219 4300-02-1 Enquire
Undecafluoropentanesulfonic Acid Intermediate CS-T-87986 2706-91-4 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,2R)-2-hydroxycyclopentanecarboxylic acid Fine Chemicals CS-O-54441 1443511-34-9 Enquire
1-(Perfluorobutyl)pentane Fine Chemicals CS-O-53307 1190430-21-7 Enquire
1,1,1,3-tetrafluoropentane-2,4-dione Fine Chemicals CS-O-39755 515845-01-9 Enquire
1,1,2,2,3,3,4,4,5,5,5-Undecafluoro-1-pentanesulfonic Acid So... Fine Chemicals CS-T-84397 630402-22-1 Enquire
1,1-dibromopentane Fine Chemicals CS-O-36994 13320-56-4 Enquire
1,2-Cyclopentanedicarboxylic acid Fine Chemicals CS-ZH-11109 50483-99-3 Enquire
1,2-dibromopentane Fine Chemicals CS-O-36992 3234-49-9 Enquire
1,3-dibromo-pentane Fine Chemicals CS-O-36996 42474-20-4 Enquire
1,3-Dimethyl cyclopentane Fine Chemicals CS-O-37078 2453-00-1 Enquire
1,4-Dibromopentane Fine Chemicals CS-MM-09965 626-87-9 Enquire
1-Bromo-5-chloropentane Fine Chemicals CS-X-00004 54512-75-3 In Stock
1-Bromopentane Fine Chemicals CS-T-08717 110-53-2 Enquire
1-chlorobicyclo(1.1.1)pentane Fine Chemicals CS-O-38066 10555-50-7 Enquire
1-Chloropentane Fine Chemicals CS-T-72057 543-59-9 Enquire
1-Pentanesulfonic Acid Sodium Fine Chemicals CS-DA-00287 207605-40-1 In Stock
2-(5-oxopyrrolidine-2-carboxamido)pentanediamide Fine Chemicals CS-O-54583 110337-07-0 Enquire
2,2,3,4-Tetramethyl Pentane Fine Chemicals CS-O-54143 1186-53-4 Enquire
2,2-dibromo-pentane Fine Chemicals CS-O-36998 54653-26-8 Enquire
2,3-Pentanedione Fine Chemicals CS-DK-00055 600-14-6 Enquire
2-[(4-Aminobenzoyl)amino]pentanedioic acid Fine Chemicals CS-MM-31060 4230-33-5 Enquire
2-Hydroxy-2-Methyl-4-Oxo-Pentanedioic Acid Fine Chemicals CS-RS-00126 19071-44-4 In Stock
2-METHYL-4-OXOPENTANEDIOIC ACID Fine Chemicals CS-RS-00125 55601-64-4 Enquire
2-Methylpentane Fine Chemicals CS-DV-01822 107-83-5 Enquire
3-(((benzyloxy)carbonyl)amino)bicyclo[1.1.1]pentane-1-carbox... Fine Chemicals CS-O-37419 1935125-14-6 Enquire
3,3-dibromo-2-methylpentane Fine Chemicals CS-O-37004 62127-60-0 Enquire
3,3-dibromopentane Fine Chemicals CS-O-37001 54653-27-9 Enquire
3-[2-(Ethylsulfinyl)propyl]-Pentanedioic Acid Fine Chemicals CS-T-93347 116007-24-0 Enquire
3-Bromomethylpentane Fine Chemicals CS-X-00007 3814-34-4 Enquire
3-fluoropentane-2,4-dione Fine Chemicals CS-ED-02063 759-02-4 Enquire
3-Hydroxycyclopentaneacetic acid Fine Chemicals CS-O-49943 102539-66-2 Enquire
3-Isobutylpentanediamide Fine Chemicals CS-O-54415 1262340-21-5 Enquire
4,4-Dimethylpentane-2,3-dione Fine Chemicals CS-ED-01461 40898-19-9 Enquire
Benzyl 3-oxocyclopentanecarboxylate Fine Chemicals CS-O-50194 130761-99-8 Enquire
Cyclopentane Fine Chemicals CS-DA-00197 287-92-3 In Stock
cyclopentane-1,2-dione Fine Chemicals CS-ZE-05067 3008-40-0 Enquire
Cyclopentanecarboxaldehyde Fine Chemicals CS-T-73149 872-53-7 Enquire
Ethylcyclopentane Fine Chemicals CS-DE-01548 1640-89-7 Enquire
Methyl 1-fluorocyclopentane-1-carboxylate Fine Chemicals CS-O-38031 1849313-42-3 Enquire
methyl 3-bromobicyclo[1.1.1]pentane-1-carboxylate Fine Chemicals CS-ED-01310 83249-14-3 Enquire
Sodium pentanesulfonate Fine Chemicals CS-O-60936 22767-49-3 Enquire
tert-butyl 5-amino-2-azabicyclo[2.1.0]pentane-2-carboxylate Fine Chemicals CS-O-40764 1780576-59-1 Enquire
Trans-cyclopentane-1,2-diamine dihydrochloride Fine Chemicals CS-O-36747 99363-25-4 Enquire
tricyclo[1.1.1.01,3]pentane Fine Chemicals CS-ED-01473 35634-10-7 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(4-benzoyl-2-((4-fluorophenyl)(nitroso)amino)benzyl)pentan... Nitrosamine CS-O-58789 ---- Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-1,2-Pentanediol-1,1,2-d3 Stable Isotope Reagent CS-C-02022 Not Available Enquire
(±)-2,3-Dimethylpentane-d16 Stable Isotope Reagent CS-C-01926 1219795-08-0 Enquire
1,2-Pentanediol-d5 Stable Isotope Reagent CS-T-103753 5343-92-0(unlabelled) Enquire
1,5-Dibromopentane-1,1,5,5-d4 Stable Isotope Reagent CS-C-01874 1219803-90-3 Enquire
1,5-Dibromopentane-d10 Stable Isotope Reagent CS-C-01875 1219802-90-0 Enquire
1-Bromopentane-1-d1 Stable Isotope Reagent CS-C-01824 148404-92-6 Enquire
1-Bromopentane-5,5,5-d3 Stable Isotope Reagent CS-C-01825 75736-50-4 Enquire
1-Iodopentane-5,5,5-d3 (stabilized with copper) Stable Isotope Reagent CS-C-01632 920502-31-4 Enquire
1-Pentane-d11 -thiol Stable Isotope Reagent CS-C-02023 Not Available Enquire
1-Pentane-d11-thiol Stable Isotope Reagent CS-T-103754 110-66-7(unlabelled) Enquire
2,2,4-Trimethylpentane-d18 Stable Isotope Reagent CS-C-01721 51685-57-5 Enquire
2-Methylpentane-d14 Stable Isotope Reagent CS-C-02118 284487-65-6 Enquire
2-Oxo-1,5-pentanedioic Acid-d6 Stable Isotope Reagent CS-C-01650 1173021-86-7 Enquire
3-Hydroxy-3-methyl-d3-pentanedioic Acid Stable Isotope Reagent CS-C-02009 59060-36-5 Enquire
Cyclopentanecarboxaldehyde D8 Stable Isotope Reagent CS-O-45361 2761352-69-4 Enquire
Cyclopentane-carboxylic acid methyl ester D8 Stable Isotope Reagent CS-O-52792 2469103-32-8 Enquire
Cyclopentanecarboxylic acid-d9 Stable Isotope Reagent CS-O-45354 1254047-34-1 In Stock
Cyclopentane-d9 Stable Isotope Reagent CS-C-01773 80862-68-6 Enquire
Methylcyclopentane-d12 Stable Isotope Reagent CS-C-02099 144120-51-4 Enquire
Pentanedioic-d6 Anhydride Stable Isotope Reagent CS-C-02021 1219794-53-2 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-(−)-2-(Boc-amino)-1,5-pentanediol Building Blocks CS-BX-02548 162955-48-8 Enquire
(S)-2-[(S)-4-Carboxy-2-ureidobutanamido]pentanedioic acid Building Blocks CS-T-93730 173144-36-0 Enquire
1-(cyclopentylamino)cyclopentane-1-carbonitrile Building Blocks CS-O-45049 1018266-15-3 Enquire
1,5-Diaminopentane Dihydrochloride Building Blocks CS-DE-01522 1476-39-7 Enquire
1,5-Pentanediol diacrylate Building Blocks CS-O-32188 36840-85-4 Enquire
1-Bromo-4-methylpentane Building Blocks CS-O-53636 626-88-0 Enquire
1-pentyl-2-propyl-Cyclopentane Building Blocks CS-ED-01356 62199-51-3 Enquire
2,2,3,3,4-Pentamethylpentane Building Blocks CS-O-59847 16747-44-7 Enquire
2,2-Dimethyl-3-ethylpentane Building Blocks CS-O-44541 16747-32-3 Enquire
2,3-Dibromopentane Building Blocks CS-TB-17862 5398-25-4 Enquire
2-Diazo-3-oxo-pentanedioic acid diethyl ester Building Blocks CS-O-55536 649729-45-3 Enquire
2-dodecanoylcyclopentanecarboxylic acid Building Blocks CS-O-47945 Not Available Enquire
2-methylpentane-1,5-diol Building Blocks CS-EO-02283 42856-62-2 Enquire
3-Fluorocyclopentanecarboxylic Acid Building Blocks CS-TB-51978 1508595-64-9 Enquire
3-Pentanesulfonic acid Building Blocks CS-O-48247 51650-30-7 Enquire
5-​Bromo-​2-​phthalimidopentane Building Blocks CS-T-95916 58554-66-8 Enquire
Pentane Building Blocks CS-DE-01723 109-66-0 Enquire
Perfluoro-3-oxapentane-sulfonic acid Building Blocks CS-ED-42153 113507-82-7 Enquire


Catalyst

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Platinum(II) 2,4-pentanedionate Catalyst CS-BK-00012 15170-57-7 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bromocyclopentane D9 Deuterated Reagents CS-C-00153 35468-44-1 In Stock