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

Naltrexone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6β-Naltrexol-d 3 Stable Isotopes CS-EO-02383 1435727-11-9 Enquire
7-Dihydroxy-N-methyl Naltrexone Bromide-d3 Stable Isotopes CS-T-98689 Not Available Enquire
Methylnaltrexone bromide-d7 Stable Isotopes CS-O-46980 Not Available Enquire
Methylnaltrexone D5 Stable Isotopes CS-T-103730 83387-25-1(unlabelled) Enquire
Methylnaltrexone D6 Stable Isotopes CS-T-103731 83387-25-1(unlabelled) Enquire
Naltrexol-d4 Stable Isotopes CS-O-15733 1279034-32-0 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Methyl Naltrexone Sulfate Metabolite CS-O-38446 1067643-19-9 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
10-Hydroxy Naltrexone Methyl Ether Impurity CS-K-00311 96445-12-4 Enquire
8-Hydroxy Naltrexone Impurity CS-O-54636 2139257-33-1 Enquire
Naltrexone Aldol Dimer Impurity CS-O-36669 Not Available In Stock
Naltrexone EP Impurity J Impurity CS-EO-03992 16617-07-5 Enquire
Naltrexone N-oxide Impurity CS-O-52803 112269-62-2 Enquire
(3S,4R,4aS,7aR,12bS)-9-Acetoxy-3-(cyclopropylmethyl)-4a-hydr... Impurity CS-O-41019 1252784-80-7 Enquire
(4bS,5R,8aS,9R)-11-(cyclopropylmethyl)-4,5,8a-trihydroxy-7,8... Impurity CS-O-40160 Not Available Enquire
(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,6,6,9-tetrahydrox... Impurity CS-O-40906 Not Available Enquire
(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,7,9-trihydroxy-2,... Impurity CS-O-40907 Not Available Enquire
3-(o)-acetyl naltrexone methobromide Impurity CS-O-35348 Not Available Enquire
3-(O)-acetylnaltrexone Impurity CS-T-93666 111129-14-7 Enquire
3-(O)-methylnaltrexone methobromide Impurity CS-T-93667 1005410-37-6 Enquire
Delta-7-natrexone methobromide Impurity CS-O-35366 1027638-96-5 Enquire
Naltrexone hydrochloride dihydrate Impurity CS-ED-01240 850808-02-5 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Methylnaltrexone Glucuronide Glucuronide CS-O-38465 1067644-15-8 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6a-Naltrexol Fine Chemicals CS-ZH-36366 20410-98-4 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Methylnaltrexone bromide Secondary Standards CS-SS-26344-200MG 73232-52-7 Enquire
Naltrexone Secondary Standards CS-SS-26338 16590-41-3 Enquire
Naltrexone Related Compound A Secondary Standards CS-SS-26373-25MG 131670-05-8 Enquire