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

Clindamycin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clindamycin B-d3 Stable Isotopes CS-T-96621 Not Available Enquire
Clindamycin B-d3 2-Phosphate Stable Isotopes CS-T-96620 Not Available Enquire
Clindamycin Sulfoxide-13C D3 Stable Isotopes CS-EQ-00268 22431-46-5(unlabelled) Enquire
Clindamycin-13C,d3 Hydrochloride Stable Isotopes CS-O-03671 21462-39-5(Unlabeled) In Stock
Clindamycin-13C,d3 Sulfoxide Stable Isotopes CS-O-16173 Not Available In Stock
Clindamycin-d3 Hydrochloride Stable Isotopes CS-O-03090 1356933-72-6 In Stock
Clindamycin D3 Stable Isotopes CS-O-35224 18323-44-9 (Unlabeled) Enquire
Clindamycin phosphate-D3 Stable Isotopes CS-O-36389 24729-96-2 (Unlabeled) Enquire
Clindamycin-13CD3 Stable Isotopes CS-P-00382 2140264-63-5 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clindamycin API CS-O-15506 18323-44-9 In Stock
Clindamycin Hydrochloride API CS-O-30878 21462-39-5 In Stock
Clindamycin Hydrochloride Monohydrate API CS-DE-00113 58207-19-5 In Stock
Clindamycin Phosphate API CS-O-30879 24729-96-2 In Stock
Clindamycin B Hydrochloride API CS-O-16675 18323-43-8 (Free base) Enquire
Clindamycin Heptadecanoate API CS-T-51194 1123211-69-7 Enquire
Clindamycin Pentadecanoate API CS-T-51192 1123211-67-5 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,6 Dehydro Clindamycin 2- Phosphate (Mixture of isomers) Metabolite CS-O-14320 1309349-64-1 In Stock
Clindamycin B2 Phosphate Metabolite CS-T-51189 54887-31-9 In Stock
Clindamycin N-Oxide Metabolite CS-P-08127 ---- In Stock
Clindamycin Sulfoxide (Mixture of Isomers) Metabolite CS-O-05845 22431-46-5 In Stock
N-Desmethyl Clindamycin Metabolite CS-O-03669 22431-45-4 Enquire
N-Desmethyl Clindamycin Hydrochloride Metabolite CS-O-10024 25532-03-0 In Stock
Clindamycin Laurate Hydrochloride Metabolite CS-P-07527 Not Available Enquire
Clindamycin Palmitate Metabolite CS-O-06301 36688-78-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Cis-Clindamycin (2S,4S) Impurity CS-O-15289 ---- In Stock
2R-Cis-Clindamycin Impurity CS-O-34607 1440605-46-8 Enquire
7-Epi Clindamycin 2-Palmitate Hydrochloride Impurity CS-O-39678 ---- In Stock
7-Epi-Clindamycin Impurity CS-O-13835 16684-06-3 In Stock
7-Epiclindamycin-2-palmitate Impurity CS-T-93239 ---- Enquire
Clindamycin 2,3-Bisphosphate Impurity CS-O-16834 Not Available In Stock
Clindamycin 2,3-Dipalmitate Impurity CS-T-93660 ---- Enquire
Clindamycin 2,3-Dipalmitate Trifluoroacetic acid salt Impurity CS-O-41460 Not Available In Stock
Clindamycin 2,4-Dipalmitate Impurity CS-O-58574 ---- Enquire
Clindamycin 2,4-Diphosphate Impurity CS-O-16707 1309048-48-3 In Stock
Clindamycin 2-Phosphate Sulfone Impurity CS-O-39503 Not Available Enquire
Clindamycin 2-Phosphate Sulfoxide Impurity CS-T-51185 1228573-90-7 In Stock
Clindamycin 2-Phosphate Sulfoxide Isomer A Impurity CS-O-33317 887402-20-2 Enquire
Clindamycin 2-Phosphate Sulfoxide Isomer B Impurity CS-O-33318 887402-21-3 Enquire
Clindamycin 3,4-Palmitate Impurity CS-O-35002 ---- Enquire
Clindamycin 3-Phosphate Impurity CS-T-51182 28708-34-1 In Stock
Clindamycin 4-Palmitate Impurity CS-EO-01274 ---- Enquire
Clindamycin B Impurity CS-T-51187 18323-43-8 In Stock
Clindamycin B Palmitate Impurity CS-T-51193 68206-99-5 In Stock
Clindamycin Diasteromer 2-Phosphate Impurity CS-O-15290 1800297-62-4 Enquire
Clindamycin Impurity (Sulfone) Impurity CS-P-07528 887402-22-4 In Stock
Clindamycin Impurity 48 Impurity CS-O-55045 ---- Enquire
Clindamycin Impurity 59 Impurity CS-O-55041 ---- Enquire
Clindamycin Impurity 66 Impurity CS-O-55042 ---- Enquire
Clindamycin Impurity 72 Impurity CS-O-55044 ---- Enquire
Clindamycin Impurity 88 Impurity CS-O-55043 ---- Enquire
Clindamycin Impurity 9 Impurity CS-EO-01273 906126-31-6 Enquire
Clindamycin Impurity G Impurity CS-O-16706 ---- In Stock
Clindamycin Impurity L Impurity CS-O-16708 620181-05-7 In Stock
Clindamycin Intermediate Impurity CS-O-48136 168295-04-3 Enquire
Clindamycin Myristate Impurity CS-T-51190 1123211-66-4 In Stock
Clindamycin Palmitate Impurity 104 Impurity CS-O-55046 ---- Enquire
Clindamycin Palmitate Sulfoxide Impurity CS-T-51184 1123211-65-3 In Stock
Clindamycin Phosphate EP Impurity D Impurity CS-T-51183 54887-30-8 In Stock
Clindamycin Phosphate EP Impurity F Impurity CS-O-58655 1228573-93-0 Enquire
Clindamycin Phosphate EP Impurity H Impurity CS-EO-00354 ---- Enquire
Clindamycin Phosphate EP Impurity K Impurity CS-O-16974 ---- In Stock
Clindamycin Phosphate Impurity 13 Impurity CS-O-59906 1228573-88-3 Enquire
Clindamycin Phosphate N-Oxide Impurity CS-EO-01682 ---- In Stock
Clindamycin Pyrophosphate Triethylamine Salt Impurity CS-O-15268 Not Available In Stock
Clindamycin Stearate Impurity CS-T-51195 1123211-70-0 Enquire
Clindamycin Sulfoxide (R-Isomer) Impurity CS-O-45065 887607-53-6 Enquire
Clindamycin Sulfoxide (S-Isomer) Impurity CS-O-45066 887607-49-0 Enquire
Clindamycin undecylate Impurity CS-O-55047 ---- Enquire
Isopropylidene Clindamycin Phosphate Impurity CS-EO-00821 147650-54-2(Free salt form) In Stock
2,3,4-Tris-O-(trimethylsilyl) 7-Epi Clindamycin Impurity CS-T-62555 25399-48-8 Enquire
3,4-O-Isopropylidene Clindamycin 2-[Bis(2,2,2-trichloroethyl... Impurity CS-T-56696 147621-30-5 Enquire
3,4-O-p-Anisylideneclindamycin Hydrochloride Impurity CS-T-48277 25908-42-3 Enquire
3,4-O-p-Anisylideneclindamycin Palmitate Hydrochloride Impurity CS-T-48278 25670-17-1 Enquire
Clindamycin 2,4-Diphosphate Impurity CS-T-51181 Not Available Enquire
Clindamycin 3-Palmitate Impurity CS-T-51191 68225-59-2 Enquire
Clindamycin B 3-Phosphate Impurity CS-O-14948 28708-34-1 Enquire
Clindamycin Impurity 4 Impurity CS-EO-00414 Not Available Enquire
Clindamycin Phosphate Sulfone trans-N-Oxide Impurity CS-O-16977 Not Available Enquire
Clindamycin Sulfoxide palmitate isomer Impurity CS-O-35317 Not Available Enquire
Clindamycin Sulfoxide palmitate isomer 2 Impurity CS-O-35318 Not Available Enquire
Dehydro Clindamycin Impurity CS-T-51704 909032-77-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,4-O-Isopropylidene Clindamycin Intermediate CS-T-56695 147650-54-2 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Desmethyl N-Nitroso Clindamycin (mixture of isomers) Nitrosamine CS-O-45706 ---- In Stock
N-Nitroso Desmethyl Clindamycin Phosphate Nitrosamine CS-O-59905 ---- Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clindamycin hydrochloride Secondary Standards CS-SS-24197-1GM 58207-19-5 Enquire
Clindamycin Impurity C Secondary Standards CS-SS-26353-30MG 16684-06-03 Enquire
Clindamycin Impurity D Secondary Standards CS-SS-26354-50MG 26389-84-4 Enquire
Clindamycin Impurity E Secondary Standards CS-SS-26355 1440605-51-5 Enquire
Clindamycin Impurity F Secondary Standards CS-SS-26356 1440605-46-8 Enquire
Clindamycin Phosphate Secondary Standards CS-SS-24080-1GM 24729-96-2 Enquire
Triacetylclindamycin Secondary Standards CS-SS-26357-100MG Not Available Enquire


Pharmaceutical Stds.

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clindamycin Palmitate Sulfoxide Hydrochloride Pharmaceutical Stds. CS-TB-00543 2126928-92-3 Enquire
7-Epi Clindamycin Hydrochloride Pharmaceutical Stds. CS-TB-40816 17431-55-9 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clindamycin Palmitate Hydrochloride Therapeutic CS-T-51186 25507-04-4 In Stock


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S-cis)-Clindamycin 2-Phosphate Chiral CS-O-16860 Not Available Enquire
Clindamycin (2R-cis)-Diastereomer 2-Phosphate Chiral CS-O-16859 Not Available Enquire