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

Arginine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-[[Bis(methylamino)methylene]amino]-2-oxo-pentanoic Acid-d6 Stable Isotopes CS-T-101136 107347-91-1(unlabeled) Enquire
Arginine Vasopressin-d5 Stable Isotopes CS-T-98811 1356383-11-3 Enquire
Etrasimod arginine-d9 Stable Isotopes CS-O-58816 1206123-97-8(Unlabeled) Enquire
L-ARGININE Hydrochloride 13C Stable Isotopes CS-R-00172 94740-43-9 Enquire
L-Arginine-[13C6] Hydrochloride (Solution) Stable Isotopes CS-I-00635 201740-91-2 Enquire
L-Arginine-13C,d4 Dihydrochloride Stable Isotopes CS-T-95041 Not Available Enquire
L-Arginine-d4 Stable Isotopes CS-O-48850 2483831-54-3 Enquire
L-Arginine-d7 Hydrochloride Stable Isotopes CS-O-06412 204244-77-9 In Stock
N,N-dimethylarginine-D7 Stable Isotopes CS-O-51471 65005-57-4(Unlabelled) Enquire
[1-13C]-L-Arginine Stable Isotopes CS-EK-02035 81201-96-9 Enquire
[3-13C]-L-Arginine Stable Isotopes CS-EK-02656 74-79-3 unlabeled Enquire
Dimethyl arginine-d6 Stable Isotopes CS-Y-00049 850208-77-4 Enquire
L-Arginine 13C Stable Isotopes CS-CX-00086 130383-76-5 Enquire
L-ARGININE Hydrochloride α-15N Stable Isotopes CS-R-00179 1353853-30-1 Enquire
L-ARGININE Hydrochloride 13C2 Stable Isotopes CS-R-00171 201740-75-2 Enquire
L-Arginine Hydrochloride 13C6 Stable Isotopes CS-R-00056 201740-91-2 Enquire
L-ARGININE Hydrochloride 15N4, Stable Isotopes CS-R-00177 204633-95-4 Enquire
L-Homoarginine-d4 Dihydrochloride Stable Isotopes CS-T-79663 1332075-41-8 Enquire
NG,NG’-Dimethyl-L-arginine-d6 Stable Isotopes CS-T-90422 1331888-08-4 Enquire
NG,NG-Dimethylarginine-d6 Dihydrochloride Stable Isotopes CS-T-95379 1313730-20-9 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Etrasimod arginine API CS-O-58810 1206123-97-8 Enquire
L-Citrulline API CS-T-13040 372-75-8 In Stock
Diethylhomoarginine API CS-O-16751 Not Available Enquire
DL-Arginine API CS-DK-00007 7200-25-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(E)-N2,Nw,Nw'-tris(tert-butoxycarbonyl)-L-arginine Impurity CS-O-44154 2169299-66-3 Enquire
8-Arginine Vasopressin Trisulphide Impurity CS-ED-01422 189241-28-9 Enquire
Boc-L-Arg-OH.HCl.H2O Impurity CS-ED-41944 114622-81-0 Enquire
Cephradine L-Arginine Impurity CS-O-01087 85760-50-5 In Stock
Chromozym Try Impurity CS-ED-02447 86170-43-6 Enquire
Ibuprofen Arginine Impurity CS-DV-00383 57469-82-6 Enquire
Lauroyl arginine Impurity CS-O-53711 42492-22-8 Enquire
L-Diethylhomoarginine hydrochloride Impurity CS-O-16827 Not Available In Stock
1-oxo-1,2,3,4-tetrahydroisoquinoline-3-carbonyl octahydro-1H... Impurity CS-O-36402 Not Available Enquire
Arginine-5-amino-2-nitrobenzoic Acid Isopropylamide Dihydroc... Impurity CS-AD-00700 1272755-10-8 Enquire
Glutaminyl-Methionyl-Glutamyl-Glutamyl-Glutamyl-Alanyl-Valyl... Impurity CS-O-13851 868249-03-0 Enquire
Homoarginine Impurity 1 Impurity CS-P-07200 98500-82-4 Enquire
Lauroyl Arginine Hydrochloride Impurity CS-T-30923 181434-85-5 Enquire
L-Homoarginine Hydrochloride Impurity CS-T-78271 1483-01-8 Enquire
L-Norarginine Impurity CS-T-37449 14191-90-3 Enquire
Na-Boc-N-nitro-D-arginine Impurity CS-T-07646 50913-12-7 Enquire
N-Methyl L-Norarginine Impurity CS-T-33161 186308-99-6 Enquire
N-Psi-2,2,4,6,7-pentamethyldihydrobenzofuran-5-ylsulfonyl-D-... Impurity CS-U-00003 200116-81-0 Enquire
Nα-Boc-L-arginine Hydrochloride Impurity CS-T-68194 35897-34-8 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fructose-Arginine Intermediate CS-T-55104 25020-14-8 In Stock
L-Arginine L-aspartate Intermediate CS-AC-02248 7675-83-4 In Stock
L-Arginine Methyl Ester Dihydrochloride Intermediate CS-O-10890 26340-89-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Arginine Fine Chemicals CS-O-30958 74-79-3 In Stock
Nα-Benzoyl-L-arginine ethyl ester hydrochloride Fine Chemicals CS-BX-00927 2645-08-1 In Stock
D-Homoarginine Hemisulfate Fine Chemicals CS-T-78364 32733-73-6 Enquire
L-Ornithine Fine Chemicals CS-ZE-05916 70-26-8 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N,N-Dinitroso L-arginine Nitrosamine CS-O-60418 ---- Enquire
N-Boc-N-nitro-L-arginine Nitrosamine CS-G-00045 2188-18-3 Enquire
Nitroso L-Arginine Nitrosamine CS-O-46004 2492451-27-9 Enquire
N-Nitroso L-Arginine Nitrosamine CS-O-58896 151512-14-0 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Arginine aspartate Secondary Standards CS-SS-25565-50MG 7675-83-4 Enquire
L-Arginine Secondary Standards CS-SS-24152-1GM 74-79-3 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Arginine D2 Stable Isotope Reagent CS-CX-00132 948897-71-0 Enquire
L-Arginine-d3 Stable Isotope Reagent CS-C-00458 74-79-3(Unlabeled) In Stock
L-Arginine (Pbf)-OH-13C6,15N4, -Fmoc Stable Isotope Reagent CS-CH-00048 1217461-89-6 Enquire
L-ARGININE Hydrochloride 13C6, 15N4 Stable Isotope Reagent CS-R-00057 202468-25-5 Enquire
L-Arginine-13C, D4 Stable Isotope Reagent CS-CH-00049 74-79-3(Unlabeled) Enquire
L-Arginine-5-13C,4,4,5,5-d4 Stable Isotope Reagent CS-BX-00760 Not Available Enquire


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Arginine (free base) for cell culture, 99%, Endotoxin (BET... Biochemicals CS-SR-00478 74-79-3 Enquire
L-Arginine for tissue culture, 99% Biochemicals CS-SR-00026 74-79-3 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Glycyl-L-arginine Building Blocks CS-O-53188 18635-55-7 Enquire
L-Lysine Building Blocks CS-M-57561 56-87-1 In Stock
DL-Arginine Hydrochloride Building Blocks CS-DE-00079 32042-43-6 Enquire
Fmoc-L-Homoarginine Hydrochloride Salt Building Blocks CS-T-77698 208174-14-5 Enquire
Glutaryl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydrochl... Building Blocks CS-T-79520 103213-40-7 Enquire
N-α-benzyloxycarbonyl-l-arginine-p-nitroanilide Hydroch... Building Blocks CS-AD-00818 59188-53-3 Enquire
Na-Cbz-D-arginine Building Blocks CS-T-10670 6382-93-0 Enquire
N-Acetyl-L-arginine Amide Hydrochloride Building Blocks CS-T-64269 88530-28-3 Enquire
N-Acetyl-L-arginine Methyl Ester Hydrochloride Building Blocks CS-T-64530 1784-05-0 Enquire
NG,NG’-Dimethy-L-arginine Di(p-hydroxyazobenzene-p’-sulfonat... Building Blocks CS-T-90845 102783-24-4 Enquire
NG-Monomethyl-L-arginine Acetate Building Blocks CS-T-35960 53308-83-1 Enquire
N-Hydroxy-nor-L-Arginine Dihydrochloride Building Blocks CS-T-28105 291758-32-2 Enquire
Nω-Hydroxy-L-arginine Monoacetate Building Blocks CS-T-78551 53598-01-9 Enquire
Nω-Propyl-L-Arginine Building Blocks CS-T-85625 137361-05-8 Enquire
Tri-N-Boc-L-Norarginine Building Blocks CS-T-87138 869094-29-1 Enquire


Peptide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Leucyl-L-arginine Peptide CS-O-56865 26607-15-8 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Nα-Benzoyl-L-isoleucyl-L-glutamyl-glycyl-L-arginine-4-nitroa... Pesticide Standards CS-O-33024 59068-47-2 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Perindopril arginine Therapeutic CS-T-60284 612548-45-5 In Stock