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

Carnitine- Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-2-Methylbutyryl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01344 - Enquire
(2R)-3-Carboxy-2-[(9-carboxy-1-oxononyl)oxy]-N,N,N-trimethyl... Stable Isotopes CS-T-98357 102636-85-1(Unlabelled) Enquire
(5Z,8Z)-Tetradecadienoylcarnitine-13C3 Stable Isotopes CS-T-97150 Not Available Enquire
(L)-Suberyl Carnitine-d3 Inner Salt Stable Isotopes CS-T-98317 Not Available Enquire
(R)-Butyryl Carnitine-d3 Chloride Stable Isotopes CS-T-102546 1334532-21-6 Enquire
(R)-Butyryl Carnitine-d5 Chloride Stable Isotopes CS-T-96998 Not Available Enquire
(R)-Propionyl Carnitine-d3 Chloride Stable Isotopes CS-ED-41780 1334532-19-2 Enquire
[(3R)-3-Hydroxydodecanoyl]-L-carnitine-d3 Inner Salt Stable Isotopes CS-T-98344 Not Available Enquire
[(3R)-3-Hydroxyhexadecanoyl]-L-carnitine-d3 Inner Salt Stable Isotopes CS-T-98341 Not Available Enquire
[(3R)-3-Hydroxyhexanoyl]-L-carnitine-d3 Inner Salt Stable Isotopes CS-T-98340 Not Available Enquire
[(3R)-3-Hydroxyoctadecanoyl]-L-carnitine-d3 Inner Salt Stable Isotopes CS-T-98343 1469901-05-0(Unlabelled) Enquire
2,2-Dimethylpropionyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01426 73801-19-1 (Unlabelled) Enquire
2-Methylbutyryl-L-Carnitine-d3 Chloride Stable Isotopes CS-T-101132 Not Available Enquire
3-Hydroxy-9-hexadecenoyl-L-carnitine-d3 Stable Isotopes CS-T-96936 Not Available Enquire
3-Hydroxybutyrylcarnitine-d3 Chloride Stable Isotopes CS-T-102651 2417978-96-0(Unlabelled) Enquire
3-Hydroxyhexadecanoylcarnitine-d3 Stable Isotopes CS-T-96931 Not Available Enquire
3-Hydroxyoleylcarnitine-d3 Stable Isotopes CS-T-96932 851132-91-7(Unlabelled) Enquire
3-Hydroxystearoylcarnitine-d3 Hydrochloride Stable Isotopes CS-T-98558 Not Available Enquire
3-Methylbutyryl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01343 139144-12-0 (Unlabelled) Enquire
4-cis-Decenoylcarnitine-13C3 Stable Isotopes CS-T-100567 Not Available Enquire
4-cis-Decenoylcarnitine-d9 Stable Isotopes CS-T-97657 Not Available Enquire
4-Hydroxybutyryl-L-carnitine-13C3 Stable Isotopes CS-T-97456 Not Available Enquire
5-cis-Tetradecenoyl Carnitine-d3 Chloride Stable Isotopes CS-T-97153 Not Available Enquire
Acetyl L-Carnitine-13C3 Chloride Stable Isotopes CS-T-97845 Not Available Enquire
Adipoyl-L-carnitine-d3 Trifluoroacetate Stable Isotopes CS-T-97837 Not Available Enquire
Arachidonoyl-L-carnitine-d3 (may contain up to 1% of d0) Stable Isotopes CS-T-94819 36816-11-2(Unlabelled) Enquire
Decanoyl-L-Carnitine-[d3] Hydrochloride (Solution) Stable Isotopes CS-I-00640 2483831-87-2 Enquire
Decanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48461 2483831-87-2 Enquire
Dodecanoyl-L-carnitine-[d3] Hydrochloride (Solution) Stable Isotopes CS-I-00643 2687960-76-3 Enquire
Dodecanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48462 2687960-76-3 Enquire
Glutaryl carnitine-d3 ClO4 Stable Isotopes CS-O-48458 2245711-21-9 Enquire
Heptadecanoyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01403 173686-69-6 (Unlabelled) Enquire
Hexadecanedioic Acid Mono-L-carnitine-d3 Ester Chloride Stable Isotopes CS-T-96940 42150-38-9(Unlabelled) Enquire
Hexanoyl-L-carnitine-(N-methyl-d3) Chloride Stable Isotopes CS-T-103047 Not Available Enquire
Hexanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48459 2483831-95-2 Enquire
Isobutyryl L-Carnitine-d6 Chloride Stable Isotopes CS-T-96919 Not Available Enquire
Isovaleryl L-Carnitine-d3 Chloride Stable Isotopes CS-T-100119 Not Available Enquire
Lauroyl-L-carnitine-d3 Hydrochloride Stable Isotopes CS-T-100106 Not Available Enquire
L-Carnitine Trimethyl-d9 Stable Isotopes CS-R-00603 126827-79-0 Enquire
L-Carnitine-13C Chloride Stable Isotopes CS-T-96990 Not Available Enquire
L-Carnitine-15N Stable Isotopes CS-T-103366 541-15-1(unlabelled) Enquire
L-Carnitine-d3 Hydrochloride Stable Isotopes CS-R-00606 350818-62-1 In Stock
L-Carnitine-d9 Chloride Stable Isotopes CS-T-93994 6645-46-1 (Unlabelled) Enquire
Levocarnitine-d4 Stable Isotopes CS-O-58395 1226708-95-7 Enquire
Levocarnitine-d5 Stable Isotopes CS-O-58396 1226709-23-4 Enquire
L-Glutaryl Carnitine-d6 Chloride Stable Isotopes CS-T-93686 102636-82-8 (Unlabeled) Enquire
L-Glutaryl Carnitine-d9 Chloride Stable Isotopes CS-T-95552 ---- Enquire
Malonyl-L-carnitine-d3 Trifluoroacetate Stable Isotopes CS-T-97340 Not Available Enquire
MCPA-L-carnitine-d9 Chloride (Mixture of Diastereomers) Stable Isotopes CS-T-96903 Not Available Enquire
Methylmalonyl DL-Carnitine-d3 Chloride (Mixture of Diastereo... Stable Isotopes CS-T-102492 821794-54-1(Unlabelled) Enquire
Myristoyl-L-carnitine-13C3 Hydrochloride Stable Isotopes CS-T-99957 Not Available Enquire
Nonadecanoyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01402 Not Available Enquire
Octadecanedioic Acid Mono-L-carnitine-d3 Ester Chloride Stable Isotopes CS-T-96888 Not Available Enquire
Octadecanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48464 2245711-27-5 Enquire
Octanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48460 1334532-24-9 Enquire
Oleoyl-L-carnitine-13C3 Stable Isotopes CS-T-97244 38677-66-6(Unlabelled) Enquire
Oleoyl-L-carnitine-d3 Inner Salt Stable Isotopes CS-T-103022 Not Available Enquire
Palmitoyl-L-Carnitine-[d3] Hydrochloride (Solution) Stable Isotopes CS-I-00668 1334532-26-1 Enquire
Palmitoyl-L-carnitine-13C3 Hydrochloride Stable Isotopes CS-T-97235 18877-64-0 (Unlabelled) Enquire
Succinyl-L-carnitine-13C3 Chloride Stable Isotopes CS-T-99832 Not Available Enquire
Tetradecanoyl-L-carnitine-d3 HCl Stable Isotopes CS-O-48463 1334532-25-0 Enquire
Tigloyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-C-01335 Not Available Enquire
Tiglylcarnitine-d3 Stable Isotopes CS-T-102652 64681-36-3(Unlabelled) Enquire
(R)-Propionyl Carnitine-d3 Chloride Stable Isotopes CS-T-60804 1334532-19-2 Enquire
2-Methylbutyryl-L-Carnitine-d9 Chloride Stable Isotopes CS-O-35595 Not Available Enquire
3-Methylbutyryl-DL-carnitine-d9 HCl (N,N,N-trimethyl-d9) Stable Isotopes CS-O-41035 296236-00-5_unlabeled Enquire
Acetyl L-Carnitine-d3 Hydrochloride Stable Isotopes CS-T-47163 1334532-17-0 Enquire
D,L Carnitine-d9 Chloride Stable Isotopes CS-T-70059 1219386-75-0 Enquire
D,L-Carnitine-d3 Chloride Stable Isotopes CS-T-71029 119766-67-5 Enquire
Decanoyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-O-35597 2483831-87-2 Enquire
Dodecanoyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-O-35598 Not Available Enquire
Hexanoyl-L-carnitine-d3 HCl (N-methyl-d3) Stable Isotopes CS-O-35596 162067-53-0 (Unlabeled) Enquire
Isovaleryl L-Carnitine-d9 Chloride Stable Isotopes CS-T-56927 1334532-23-8 Enquire
L-Norcarnitine-d6 Stable Isotopes CS-T-83674 1795785-53-3 Enquire
Myristoyl-L-carnitine-d3 Hydrochloride Stable Isotopes CS-T-59043 1334532-25-0 Enquire
Octanoyl L-Carnitine-d3 Chloride Stable Isotopes CS-T-59860 1334532-24-9 Enquire
Palmitoyl-L-carnitine-d3 Hydrochloride Stable Isotopes CS-T-60123 1334532-26-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tetradecenoyl-L-carnitine-d3 Hydrochloride Impurity CS-O-20096 1186416-86-3(Unlabeled) In Stock
N-(5-Fluoresceinyl)-L-carnitine-O-thiocarbamate Impurity CS-T-54790 1258239-73-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Carnitine-L-tartrate Building Blocks CS-O-10983 36687-82-8 In Stock