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

Posaconazole Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Oxo-posaconazole-d4 Stable Isotopes CS-T-102156 Not Available Enquire
Deshydroxypentanyl Posaconazole-d4 Stable Isotopes CS-T-101536 Not Available Enquire
O-Benzyl Posaconazole-d4 Stable Isotopes CS-T-97754 1246818-95-0 Enquire
Posaconazole D5 Stable Isotopes CS-CX-00590 171228-49-2(Unlabeled) Enquire
Posaconazole D5 Glucuronide Stable Isotopes CS-O-56928 ---- Enquire
Posaconazole-d4 Stable Isotopes CS-O-10954 1133712-26-1 In Stock
Posaconazole-d7 Stable Isotopes CS-O-44764 171228-49-2(Unlabeled) Enquire
Posaconazole D3 Stable Isotopes CS-AI-00207 171228-49-2 Enquire
Posaconazole Diastereoisomer Related Compound 3 Stable Isotopes CS-O-14145 Not Available Enquire
Posaconazole Diastereoisomer Related Compound 4 Stable Isotopes CS-O-14146 Not Available Enquire
Posaconazole Impurity 22 Stable Isotopes CS-O-14149 1388148-30-8 Enquire
rac-Posaconazole Diastereoisomer Related Compound 3 Stable Isotopes CS-O-14150 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Posaconazole API CS-O-30489 171228-49-2 In Stock
Posaconazole hydrate API CS-AN-00021 1198769-38-8 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Oxo-posaconazole (2-​oxo-​1-​piperazinyl) Impurity CS-O-48832 Not Available Enquire
ent-Posaconazole Impurity CS-T-93303 2243785-97-7 In Stock
O-Benzyl Posaconazole Impurity CS-T-49044 170985-86-1 In Stock
Phenyl (4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)carbamat... Impurity CS-O-16259 184177-81-9 In Stock
Posaconazole Acetyl ester Impurity CS-O-46013 195735-34-3 Enquire
Posaconazole destriazolone dimethylurea Impurity CS-O-47840 Not Available Enquire
Posaconazole destriazolone ethyl carbamate Impurity CS-O-47838 Not Available Enquire
Posaconazole destriazolone methyl carbamate Impurity CS-O-47837 Not Available Enquire
Posaconazole Diastereoisomer 4 (S,S,R,R) Impurity CS-EO-00320 Not Available Enquire
Posaconazole Formyl Impurity Impurity CS-O-16819 2069239-68-3 Enquire
Posaconazole Formyl Semicarbazide Analog Impurity CS-EO-03127 1350560-57-4 Enquire
Posaconazole Impurity 10 Impurity CS-O-13963 Not Available Enquire
Posaconazole Impurity 103 Impurity CS-O-55548 ---- Enquire
Posaconazole Impurity 115 Impurity CS-EO-04058 ---- Enquire
Posaconazole Impurity 24 Impurity CS-O-44050 Not Available Enquire
Posaconazole Impurity 28 Impurity CS-EO-03128 Not Available Enquire
Posaconazole Impurity 42 trifluoroacetate salt Impurity CS-EO-03771 1902954-05-5 (Freebase) Enquire
Posaconazole Impurity 49 Impurity CS-EO-00319 161532-65-6 Enquire
Posaconazole Impurity 61 trifluoroacetate alt Impurity CS-EO-03772 1902954-03-3 (Freebase) Enquire
Posaconazole Impurity 7 Impurity CS-TA-28772 345217-02-9 Enquire
Posaconazole Impurity 78 Impurity CS-O-57406 2514953-93-4 Enquire
Posaconazole Impurity 80 Impurity CS-EO-02255 184177-88-6 Enquire
Posaconazole Impurity 90 Impurity CS-EO-03129 Not Available Enquire
Posaconazole Impurity 97 Impurity CS-EO-02847 Not Available Enquire
Posaconazole Impurity 98 Impurity CS-EO-02848 Not Available Enquire
Posaconazole Impurity 99 Impurity CS-EO-02849 Not Available Enquire
Posaconazole N Monooxide trifluoroacetate Impurity CS-O-46012 Not Available Enquire
Posaconazole PZS5 Diastereomer -1 Impurity CS-O-45516 Not Available Enquire
Posaconazole PZS5 Diastereomer -2 Impurity CS-O-45517 Not Available Enquire
Posaconazole PZS5 Ditriazole impurity Impurity CS-O-45518 Not Available Enquire
Posaconazole R,R-Isomer Impurity CS-O-47129 2243786-01-6 Enquire
Posaconazole R,S-Isomer Impurity CS-O-47130 2243786-00-5 Enquire
Posaconazole S,R-Isomer Impurity CS-O-47131 2243786-02-7 Enquire
Posaconazole Semicarbazide Analog Impurity CS-O-47836 ---- Enquire
((3S,5R)-5-(2,4-Difluorophenyl)-5-(iodomethyl)tetrahydrofura... Impurity CS-O-39721 1042398-26-4 Enquire
2-(2,4-Difluorophenyl)-2-propen-1-ol Impurity CS-T-52848 141113-36-2 Enquire
3-Oxo-posaconazole (3-​oxo-​1-​piperazinyl) Impurity CS-T-84496 357189-94-7 Enquire
4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,... Impurity CS-O-34865 171228-51-6 Enquire
4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,... Impurity CS-O-34875 1229428-91-4 Enquire
4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,... Impurity CS-O-36180 2180759-84-4 Enquire
4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,... Impurity CS-O-34870 2243785-98-8 Enquire
4-Desfluoro Posaconazole Impurity CS-EO-00092 Not Available Enquire
N'-((2R,3R)-2-(Benzyloxy)pentan-3-yl)formohydrazide Impurity CS-O-39443 2173414-68-9 Enquire
N-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)formamide Impurity CS-O-37867 Not Available Enquire
n-Propyl posaconazole Impurity CS-EO-01124 Not Available Enquire
Posaconazole Diastereoisomer (R,S,S,S) Impurity CS-O-34869 213381-02-3 Enquire
Posaconazole Diastereoisomer (S,R,S,S) Impurity CS-O-34867 2243785-96-6 Enquire
Posaconazole Diastereoisomer 1 Impurity CS-O-14137 170985-61-2 Enquire
Posaconazole Diastereoisomer 2 Impurity CS-O-14138 213381-05-6 Enquire
Posaconazole Diastereoisomer 3 Impurity CS-O-14139 1229428-89-0 Enquire
Posaconazole Diastereoisomer 4 Impurity CS-O-14140 Not Available Enquire
Posaconazole Diastereoisomer 5 Impurity CS-O-14141 1229428-90-3 Enquire
Posaconazole Diastereoisomer 6 Impurity CS-O-14142 171228-50-5 Enquire
Posaconazole Diastereoisomer 7 Impurity CS-O-14143 213381-04-5 Enquire
Posaconazole Diastereoisomer Related Compound 1 Impurity CS-O-14144 159811-30-0 Enquire
Posaconazole Diastereoisomer Related Compound 2 Impurity CS-O-14000 166583-12-6 Enquire
Posaconazole Diastereoisomer Related Compound 5 Impurity CS-O-14147 149809-42-7 Enquire
Posaconazole Diastereoisomer Related Compound 6 Impurity CS-O-14148 Not Available Enquire
Posaconazole Diastereomer Impurity Impurity CS-O-16818 Not Available Enquire
Posaconazole Impurity 1 Impurity CS-O-13949 1388148-29-5 Enquire
Posaconazole Impurity 108 Impurity CS-P-08935 Not Available Enquire
Posaconazole Impurity 109 Impurity CS-P-08936 Not Available Enquire
Posaconazole Impurity 11 Impurity CS-O-13964 Not Available Enquire
Posaconazole Impurity 12 Impurity CS-O-13965 Not Available Enquire
Posaconazole Impurity 13 Impurity CS-O-13966 357189-98-1 Enquire
Posaconazole Impurity 14 Impurity CS-O-13967 Not Available Enquire
Posaconazole Impurity 15 Impurity CS-O-13968 Not Available Enquire
Posaconazole Impurity 16 Impurity CS-O-13969 2243786-07-2 Enquire
Posaconazole Impurity 17 Impurity CS-O-13970 Not Available Enquire
Posaconazole Impurity 18 Impurity CS-O-13971 149882-18-8 Enquire
Posaconazole Impurity 19 Impurity CS-O-13972 201282-88-4 Enquire
Posaconazole Impurity 2 Impurity CS-O-13955 Not Available Enquire
Posaconazole Impurity 20 Impurity CS-O-13973 160709-02-4 Enquire
Posaconazole Impurity 21 Impurity CS-O-13974 Not Available Enquire
Posaconazole Impurity 3 Impurity CS-O-13958 Not Available Enquire
Posaconazole Impurity 4 Impurity CS-O-13956 Not Available Enquire
Posaconazole Impurity 42 Impurity CS-EO-01123 1902954-05-5 Enquire
Posaconazole Impurity 43 Impurity CS-P-02402 161532-56-5 Enquire
Posaconazole Impurity 46 Impurity CS-EO-01390 Not Available Enquire
Posaconazole Impurity 5 Impurity CS-O-13957 Not Available Enquire
Posaconazole Impurity 54 Impurity CS-EO-00921 2134652-05-2 Enquire
Posaconazole Impurity 55 Impurity CS-EO-00922 Not Available Enquire
Posaconazole Impurity 56 Impurity CS-EO-00923 Not Available Enquire
Posaconazole Impurity 57 Impurity CS-EO-00924 159276-59-2 Enquire
Posaconazole Impurity 59 Impurity CS-EO-00925 Not Available Enquire
Posaconazole Impurity 6 Impurity CS-O-13959 Not Available Enquire
Posaconazole Impurity 60 Impurity CS-EO-00926 Not Available Enquire
Posaconazole Impurity 7 Impurity CS-O-13960 Not Available Enquire
Posaconazole Impurity 8 Impurity CS-O-13961 Not Available Enquire
Posaconazole Impurity 9 Impurity CS-O-13962 Not Available Enquire
Posaconazole Impurity A Impurity CS-O-13945 Not Available Enquire
Posaconazole Impurity B Impurity CS-O-13946 357189-95-8 Enquire
Posaconazole Impurity C Impurity CS-O-13947 357189-96-9 Enquire
Posaconazole Impurity D Impurity CS-O-13948 357189-97-0 Enquire
Posaconazole Mono N-Oxide (Regioisomers Mixtures) Impurity CS-T-83957 "1902954-03-3, 1902954-05-5" Enquire
Posaconazole Monodesfluoro Impurity Impurity CS-EO-00523 Not Available Enquire
Posaconazole N-Mono Oxide; F-2 Impurity CS-O-41724 1902954-03-3 Enquire
Posaconazole PCA Impurity Impurity CS-EO-01122 Not Available Enquire
Posaconazole Succinyl Ester Impurity CS-T-84371 1488301-79-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-Aminophenyl)-4-(4-hydroxyphenyl)piperazine Intermediate CS-O-16215 74853-08-0 In Stock
1-(4-Hydroxyphenyl)piperazine Intermediate CS-T-78527 56621-48-8 In Stock
N'-​((2S,​3S)​-​2-​(Benzyloxy)​pentan-​3-​yl)​formohydrazide... Intermediate CS-O-42940 1887197-42-3 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Posaconazole-D-Glucuronide Glucuronide CS-O-13944 ---- Enquire
Posaconazole N-β-D-Glucuronide Glucuronide CS-O-16103 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-[(1R,2S)-1-Ethyl-2-(phenylmethoxy)propyl]hydrazinecarboxal... Fine Chemicals CS-T-76030 1428118-40-4 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Posaconazole Nitroso Impurity 1 Nitrosamine CS-O-53148 ---- Enquire
Posaconazole Nitroso Impurity 2 Nitrosamine CS-O-58432 ---- Enquire
Posaconazole Nitroso Impurity 4 Nitrosamine CS-O-58029 ---- Enquire


Pharmaceutical Stds.

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N'-((2R,3S)-2-(Benzyloxy)pentan-3-yl)formohydrazide Pharmaceutical Stds. CS-TA-23468 2243785-81-9 Enquire