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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

[1-13C]-L-Arginine
[1-13C]-L-Arginine
  • CAT. No.CS-EK-02035
  • CAS. No.81201-96-9
  • Stock Status:Enquire
[3-13C]-L-Arginine
[3-13C]-L-Arginine
  • CAT. No.CS-EK-02656
  • CAS. No.74-79-3 unlabeled
  • Stock Status:Enquire
Arginine D2
Arginine D2
  • CAT. No.CS-CX-00132
  • CAS. No.948897-71-0
  • Stock Status:Enquire
Arginine Vasopressin-d5
Arginine Vasopressin-d5
  • CAT. No.CS-T-98811
  • CAS. No.1356383-11-3
  • Stock Status:Enquire
Dimethyl arginine-d6
Dimethyl arginine-d6
  • CAT. No.CS-Y-00049
  • CAS. No.850208-77-4
  • Stock Status:Enquire
Etrasimod arginine-d9
Etrasimod arginine-d9
  • CAT. No.CS-O-58816
  • CAS. No.1206123-97-8(Unlabeled)
  • Stock Status:Enquire
L-Arginine 13C
L-Arginine 13C
  • CAT. No.CS-CX-00086
  • CAS. No.130383-76-5
  • Stock Status:Enquire
L-ARGININE Hydrochloride α-15N
L-ARGININE Hydrochloride α-15N
  • CAT. No.CS-R-00179
  • CAS. No.1353853-30-1
  • Stock Status:Enquire
L-ARGININE Hydrochloride 13C
L-ARGININE Hydrochloride 13C
  • CAT. No.CS-R-00172
  • CAS. No.94740-43-9
  • Stock Status:Enquire
L-ARGININE Hydrochloride 13C2
L-ARGININE Hydrochloride 13C2
  • CAT. No.CS-R-00171
  • CAS. No.201740-75-2
  • Stock Status:Enquire
L-Arginine Hydrochloride 13C6
L-Arginine Hydrochloride 13C6
  • CAT. No.CS-R-00056
  • CAS. No.201740-91-2
  • Stock Status:Enquire
L-ARGININE Hydrochloride 15N4,
L-ARGININE Hydrochloride 15N4,
  • CAT. No.CS-R-00177
  • CAS. No.204633-95-4
  • Stock Status:Enquire
L-Arginine-[13C6] Hydrochloride (Solution)
L-Arginine-[13C6] Hydrochloride (Solution)
  • CAT. No.CS-I-00635
  • CAS. No.201740-91-2
  • Stock Status:Enquire
L-Arginine-13C, D4
L-Arginine-13C, D4
  • CAT. No.CS-CH-00049
  • CAS. No.74-79-3(Unlabeled)
  • Stock Status:Enquire
L-Arginine-13C,d4 Dihydrochloride
L-Arginine-13C,d4 Dihydrochloride
  • CAT. No.CS-T-95041
  • CAS. No.Not Available
  • Stock Status:Enquire
L-Arginine-5-13C,4,4,5,5-d4
L-Arginine-5-13C,4,4,5,5-d4
  • CAT. No.CS-BX-00760
  • CAS. No.Not Available
  • Stock Status:Enquire
L-Arginine-d7 Hydrochloride
L-Arginine-d7 Hydrochloride
  • CAT. No.CS-O-06412
  • CAS. No.204244-77-9
  • Stock Status:In Stock
L-Homoarginine-d4 Dihydrochloride
L-Homoarginine-d4 Dihydrochloride
  • CAT. No.CS-T-79663
  • CAS. No.1332075-41-8
  • Stock Status:Enquire
N,N-dimethylarginine-D7
N,N-dimethylarginine-D7
  • CAT. No.CS-O-51471
  • CAS. No.65005-57-4(Unlabelled)
  • Stock Status:Enquire
NG,NG’-Dimethyl-L-arginine-d6
NG,NG’-Dimethyl-L-arginine-d6
  • CAT. No.CS-T-90422
  • CAS. No.1331888-08-4
  • Stock Status:Enquire
NG,NG-Dimethylarginine-d6 Dihydrochloride
NG,NG-Dimethylarginine-d6 Dihydrochloride
  • CAT. No.CS-T-95379
  • CAS. No.1313730-20-9
  • Stock Status:Enquire

API Standards

Diethylhomoarginine
Diethylhomoarginine
  • CAT. No.CS-O-16751
  • CAS. No.Not Available
  • Stock Status:Enquire
DL-Arginine
DL-Arginine
  • CAT. No.CS-DK-00007
  • CAS. No.7200-25-1
  • Stock Status:Enquire
Etrasimod arginine
Etrasimod arginine
  • CAT. No.CS-O-58810
  • CAS. No.1206123-97-8
  • Stock Status:Enquire
L-Citrulline
L-Citrulline
  • CAT. No.CS-T-13040
  • CAS. No.372-75-8
  • Stock Status:In Stock
Perindopril arginine
Perindopril arginine
  • CAT. No.CS-T-60284
  • CAS. No.612548-45-5
  • Stock Status:In Stock

Impurities

8-Arginine Vasopressin Trisulphide
8-Arginine Vasopressin Trisulphide
  • CAT. No.CS-ED-01422
  • CAS. No.189241-28-9
  • Stock Status:Enquire
Arginine-5-amino-2-nitrobenzoic Acid Isopropylamide Dihydroc...
Arginine-5-amino-2-nitrobenzoic Acid Isopropylamide Dihydrochloride
  • CAT. No.CS-AD-00700
  • CAS. No.1272755-10-8
  • Stock Status:Enquire
Boc-L-Arg-OH.HCl.H2O
Boc-L-Arg-OH.HCl.H2O
  • CAT. No.CS-ED-41944
  • CAS. No.114622-81-0
  • Stock Status:Enquire
Carbobenzoxy-valyl-glycyl-arginine-p-nitroanilide acetate
Carbobenzoxy-valyl-glycyl-arginine-p-nitroanilide acetate
  • CAT. No.CS-ED-02447
  • CAS. No.86170-43-6
  • Stock Status:Enquire
Cephradine L-Arginine
Cephradine L-Arginine
  • CAT. No.CS-O-01087
  • CAS. No.85760-50-5
  • Stock Status:In Stock
Cyclo LArginine
Cyclo LArginine
  • CAT. No.CS-P-07199
  • CAS. No.28958-90-9
  • Stock Status:Enquire
Glutaminyl-Methionyl-Glutamyl-Glutamyl-Glutamyl-Alanyl-Valyl...
Glutaminyl-Methionyl-Glutamyl-Glutamyl-Glutamyl-Alanyl-Valyl-Arginine Trifluoroacetate
  • CAT. No.CS-O-13851
  • CAS. No.868249-03-0
  • Stock Status:Enquire
Homoarginine Impurity 1
Homoarginine Impurity 1
  • CAT. No.CS-P-07200
  • CAS. No.98500-82-4
  • Stock Status:Enquire
Lauroyl arginine
Lauroyl arginine
  • CAT. No.CS-O-53711
  • CAS. No.42492-22-8
  • Stock Status:Enquire
Lauroyl Arginine Hydrochloride
Lauroyl Arginine Hydrochloride
  • CAT. No.CS-T-30923
  • CAS. No.181434-85-5
  • Stock Status:Enquire
L-Diethylhomoarginine hydrochloride
L-Diethylhomoarginine hydrochloride
  • CAT. No.CS-O-16827
  • CAS. No.Not Available
  • Stock Status:In Stock
L-Homoarginine Hydrochloride
L-Homoarginine Hydrochloride
  • CAT. No.CS-T-78271
  • CAS. No.1483-01-8
  • Stock Status:Enquire
L-Norarginine
L-Norarginine
  • CAT. No.CS-T-37449
  • CAS. No.14191-90-3
  • Stock Status:Enquire
Na-Boc-N-nitro-D-arginine
Na-Boc-N-nitro-D-arginine
  • CAT. No.CS-T-07646
  • CAS. No.50913-12-7
  • Stock Status:Enquire
Nitroso L-Arginine
Nitroso L-Arginine
  • CAT. No.CS-O-46004
  • CAS. No.2492451-27-9
  • Stock Status:Enquire
N-Methyl L-Norarginine
N-Methyl L-Norarginine
  • CAT. No.CS-T-33161
  • CAS. No.186308-99-6
  • Stock Status:Enquire
N-Psi-2,2,4,6,7-pentamethyldihydrobenzofuran-5-ylsulfonyl-D-...
N-Psi-2,2,4,6,7-pentamethyldihydrobenzofuran-5-ylsulfonyl-D-arginine
  • CAT. No.CS-U-00003
  • CAS. No.200116-81-0
  • Stock Status:Enquire
Nα-Boc-L-arginine Hydrochloride
Nα-Boc-L-arginine Hydrochloride
  • CAT. No.CS-T-68194
  • CAS. No.35897-34-8
  • Stock Status:Enquire

EP Standards

Arginine aspartate (Y0000304)
Arginine aspartate (Y0000304)
  • CAT. No.CS-EG-00109
  • CAS. No.7675-83-4
  • Stock Status:Enquire

Intermediates

4-NITRO-L-Arginine
4-NITRO-L-Arginine
  • CAT. No.CS-O-43819
  • CAS. No.Not Available
  • Stock Status:Enquire
Amino acid hydroxamates l-arginine hydroxamate hydrochloride
Amino acid hydroxamates l-arginine hydroxamate hydrochloride
  • CAT. No.CS-ED-05878
  • CAS. No.35832-00-9
  • Stock Status:Enquire
Arginine Vasopressin Diacetate
Arginine Vasopressin Diacetate
  • CAT. No.CS-T-48335
  • CAS. No.75499-44-4
  • Stock Status:Enquire
Benzoyl-DL-arginine-7-amido-4-methylcoumarin hydrochloride
Benzoyl-DL-arginine-7-amido-4-methylcoumarin hydrochloride
  • CAT. No.CS-ED-22760
  • CAS. No.102601-21-8
  • Stock Status:Enquire
Benzoyl-L-arginine beta-naphthylamide hydrochloride
Benzoyl-L-arginine beta-naphthylamide hydrochloride
  • CAT. No.CS-ED-13382
  • CAS. No.198555-19-0
  • Stock Status:Enquire
Boc-l-beta-homoarginine(tos)
Boc-l-beta-homoarginine(tos)
  • CAT. No.CS-AC-04506
  • CAS. No.136271-81-3
  • Stock Status:Enquire
D-Arginine
D-Arginine
  • CAT. No.CS-M-29412
  • CAS. No.157-06-2
  • Stock Status:Enquire
D-Arginine 1,1-Dimethylethyl Ester
D-Arginine 1,1-Dimethylethyl Ester
  • CAT. No.CS-ED-11575
  • CAS. No.130752-28-2
  • Stock Status:Enquire
D-Arginine Hydrochloride
D-Arginine Hydrochloride
  • CAT. No.CS-CU-00006
  • CAS. No.627-75-8
  • Stock Status:Enquire
DL-a-(Difluoromethyl)arginine
DL-a-(Difluoromethyl)arginine
  • CAT. No.CS-T-18377
  • CAS. No.69955-43-7
  • Stock Status:Enquire
DL-Arginine hydrochloride monohydrate
DL-Arginine hydrochloride monohydrate
  • CAT. No.CS-ED-07805
  • CAS. No.332360-01-7
  • Stock Status:Enquire
D-NG-Nitroarginine Methyl Ester Hydrochloride
D-NG-Nitroarginine Methyl Ester Hydrochloride
  • CAT. No.CS-T-89632
  • CAS. No.50912-92-0
  • Stock Status:Enquire
Fructose-Arginine
Fructose-Arginine
  • CAT. No.CS-T-55104
  • CAS. No.25020-14-8
  • Stock Status:In Stock
Homoarginine
Homoarginine
  • CAT. No.CS-T-79535
  • CAS. No.156-86-5
  • Stock Status:Enquire
L-Arginine 7-amido-4-methylcoumarin dihydrochloride
L-Arginine 7-amido-4-methylcoumarin dihydrochloride
  • CAT. No.CS-AC-03563
  • CAS. No.113712-08-6
  • Stock Status:Enquire
L-Arginine acetylsalicylate
L-Arginine acetylsalicylate
  • CAT. No.CS-ED-11705
  • CAS. No.37466-21-0
  • Stock Status:Enquire
L-Arginine ethyl ester DiHCl
L-Arginine ethyl ester DiHCl
  • CAT. No.CS-AC-04992
  • CAS. No.36589-29-4
  • Stock Status:Enquire
L-Arginine L-aspartate
L-Arginine L-aspartate
  • CAT. No.CS-AC-02248
  • CAS. No.7675-83-4
  • Stock Status:In Stock
L-Arginine L-glutamate
L-Arginine L-glutamate
  • CAT. No.CS-AC-02209
  • CAS. No.4320-30-3
  • Stock Status:Enquire
L-Arginine Methyl Ester Dihydrochloride
L-Arginine Methyl Ester Dihydrochloride
  • CAT. No.CS-O-10890
  • CAS. No.26340-89-6
  • Stock Status:In Stock
L-Arginine, L-alanyl-
L-Arginine, L-alanyl-
  • CAT. No.CS-ED-02626
  • CAS. No.16709-12-9
  • Stock Status:Enquire
L-Arginine-L-pyroglutamate
L-Arginine-L-pyroglutamate
  • CAT. No.CS-AC-05046
  • CAS. No.56265-06-6
  • Stock Status:Enquire
L-Arginyl-L-arginine 7-amido-4-methylcoumarin trihydrochlori...
L-Arginyl-L-arginine 7-amido-4-methylcoumarin trihydrochloride
  • CAT. No.CS-ED-11578
  • CAS. No.201847-69-0
  • Stock Status:Enquire
N-α-benzyloxycarbonyl-l-arginine 7-amido-4-methylcoumar...
N-α-benzyloxycarbonyl-l-arginine 7-amido-4-methylcoumarin Hydrochloride
  • CAT. No.CS-AD-00861
  • CAS. No.70375-22-3
  • Stock Status:Enquire
N-α-t-butyloxycarbonyl-l-arginine P-nitroanilide Hydroc...
N-α-t-butyloxycarbonyl-l-arginine P-nitroanilide Hydrochloride
  • CAT. No.CS-AD-00907
  • CAS. No.99306-64-6
  • Stock Status:Enquire
N2-Benzoyl-L-arginine ethyl ester hydrochloride
N2-Benzoyl-L-arginine ethyl ester hydrochloride
  • CAT. No.CS-CE-00285
  • CAS. No.2645-08-1
  • Stock Status:Enquire
Na-benzoyl-l-arginine-7-amido-4-methylcoumarin Hydrochloride
Na-benzoyl-l-arginine-7-amido-4-methylcoumarin Hydrochloride
  • CAT. No.CS-AD-00902
  • CAS. No.913-04-2
  • Stock Status:Enquire
Na-Fmoc-D-arginine Hydrochloride
Na-Fmoc-D-arginine Hydrochloride
  • CAT. No.CS-T-24544
  • CAS. No.214852-44-5
  • Stock Status:Enquire
Na-Fmoc-L-arginine
Na-Fmoc-L-arginine
  • CAT. No.CS-T-24545
  • CAS. No.91000-69-0
  • Stock Status:Enquire
N-alpha-(t-Butoxycarbonyl)-L-arginine thiobenzyl ester hydro...
N-alpha-(t-Butoxycarbonyl)-L-arginine thiobenzyl ester hydrochloride
  • CAT. No.CS-ED-13490
  • CAS. No.79864-22-5
  • Stock Status:Enquire
Nalpha-acetyl-DL-arginine dihydrate
Nalpha-acetyl-DL-arginine dihydrate
  • CAT. No.CS-ED-36967
  • CAS. No.114005-77-5
  • Stock Status:Enquire
N-Alpha-benzoyl-L-arginine
N-Alpha-benzoyl-L-arginine
  • CAT. No.CS-AC-02800
  • CAS. No.154-92-7
  • Stock Status:Enquire
N-alpha-Carbobenzoxy-N-omega-(4-methoxy-2,3,6-trimethylbenze...
N-alpha-Carbobenzoxy-N-omega-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine t-butyl ester
  • CAT. No.CS-ED-11621
  • CAS. No.115608-60-1
  • Stock Status:Enquire
N-Benzoyl-DL-arginine-4-nitroanilide hydrochloride
N-Benzoyl-DL-arginine-4-nitroanilide hydrochloride
  • CAT. No.CS-CE-00675
  • CAS. No.911-77-3
  • Stock Status:Enquire
N-CBZ-Glycyl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydr...
N-CBZ-Glycyl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydrochloride
  • CAT. No.CS-T-69991
  • CAS. No.102601-58-1
  • Stock Status:Enquire
NG,NG-Dimethylarginine Dihydrochloride
NG,NG-Dimethylarginine Dihydrochloride
  • CAT. No.CS-T-19795
  • CAS. No.220805-22-1
  • Stock Status:Enquire
NG-Amino-L-arginine hydrochloride (L-NAA)
NG-Amino-L-arginine hydrochloride (L-NAA)
  • CAT. No.CS-O-41988
  • CAS. No.1031799-40-2
  • Stock Status:Enquire
Nitroarginine Methyl Ester Hydrochloride
Nitroarginine Methyl Ester Hydrochloride
  • CAT. No.CS-T-83722
  • CAS. No.51298-62-5
  • Stock Status:Enquire
Nα-Carbobenzyloxy-Nω-bis-p-nitrobenzylphospho-L-arginine Ben...
Nα-Carbobenzyloxy-Nω-bis-p-nitrobenzylphospho-L-arginine Benzyl Ester
  • CAT. No.CS-T-69090
  • CAS. No.105975-49-3
  • Stock Status:Enquire
Nω-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine
Nω-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine
  • CAT. No.CS-T-84699
  • CAS. No.191869-60-0
  • Stock Status:Enquire
Nω-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-L-arginine
Nω-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-L-arginine
  • CAT. No.CS-T-84763
  • CAS. No.112160-37-9
  • Stock Status:Enquire
Phospho-L-arginine Trisodium Salt
Phospho-L-arginine Trisodium Salt
  • CAT. No.CS-T-83954
  • CAS. No.1189-11-3
  • Stock Status:Enquire
Tilarginine hydrochloride
Tilarginine hydrochloride
  • CAT. No.CS-ED-35866
  • CAS. No.156706-47-7
  • Stock Status:Enquire
Z-L-Arginine
Z-L-Arginine
  • CAT. No.CS-T-04134
  • CAS. No.1234-35-1
  • Stock Status:Enquire

Fine Chemicals

D-Homoarginine Hemisulfate
D-Homoarginine Hemisulfate
  • CAT. No.CS-T-78364
  • CAS. No.32733-73-6
  • Stock Status:Enquire
L-Arginine
L-Arginine
  • CAT. No.CS-O-30958
  • CAS. No.74-79-3
  • Stock Status:In Stock
L-arginine Mono Hydrochloride
L-arginine Mono Hydrochloride
  • CAT. No.CS-O-30965
  • CAS. No.1119-34-2
  • Stock Status:In Stock
L-Ornithine
L-Ornithine
  • CAT. No.CS-ZE-05916
  • CAS. No.70-26-8
  • Stock Status:Enquire
Nα-Benzoyl-L-arginine ethyl ester hydrochloride
Nα-Benzoyl-L-arginine ethyl ester hydrochloride
  • CAT. No.CS-BX-00927
  • CAS. No.2645-08-1
  • Stock Status:In Stock

Building Blocks

"NG,NG’-Dimethy-L-arginine Di(p-hydroxyazobenzene-p’-sulfona...
  • CAT. No.CS-T-90845
  • CAS. No.102783-24-4
  • Stock Status:Enquire
DL-Arginine Hydrochloride
DL-Arginine Hydrochloride
  • CAT. No.CS-DE-00079
  • CAS. No.32042-43-6
  • Stock Status:Enquire
Fmoc-L-Homoarginine Hydrochloride Salt
Fmoc-L-Homoarginine Hydrochloride Salt
  • CAT. No.CS-T-77698
  • CAS. No.208174-14-5
  • Stock Status:Enquire
Glutaryl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydrochl...
Glutaryl-glycyl-L-arginine 7-Amido-4-methylcoumarin Hydrochloride
  • CAT. No.CS-T-79520
  • CAS. No.103213-40-7
  • Stock Status:Enquire
Glycyl-L-arginine
Glycyl-L-arginine
  • CAT. No.CS-O-53188
  • CAS. No.18635-55-7
  • Stock Status:Enquire
L-Lysine
L-Lysine
  • CAT. No.CS-M-57561
  • CAS. No.56-87-1
  • Stock Status:In Stock
N-α-benzyloxycarbonyl-l-arginine-p-nitroanilide Hydroch...
N-α-benzyloxycarbonyl-l-arginine-p-nitroanilide Hydrochloride
  • CAT. No.CS-AD-00818
  • CAS. No.59188-53-3
  • Stock Status:Enquire
N-4-Tosyl-L-arginine Methyl Ester Hydrochloride
N-4-Tosyl-L-arginine Methyl Ester Hydrochloride
  • CAT. No.CS-T-86695
  • CAS. No.1784-03-8
  • Stock Status:In Stock
Na-Cbz-D-arginine
Na-Cbz-D-arginine
  • CAT. No.CS-T-10670
  • CAS. No.6382-93-0
  • Stock Status:Enquire
N-Acetyl-L-arginine Amide Hydrochloride
N-Acetyl-L-arginine Amide Hydrochloride
  • CAT. No.CS-T-64269
  • CAS. No.88530-28-3
  • Stock Status:Enquire
N-Acetyl-L-arginine Methyl Ester Hydrochloride
N-Acetyl-L-arginine Methyl Ester Hydrochloride
  • CAT. No.CS-T-64530
  • CAS. No.1784-05-0
  • Stock Status:Enquire
N-Boc-N-nitro-L-arginine
N-Boc-N-nitro-L-arginine
  • CAT. No.CS-G-00045
  • CAS. No.2188-18-3
  • Stock Status:Enquire
NG-Monomethyl-L-arginine Acetate
NG-Monomethyl-L-arginine Acetate
  • CAT. No.CS-T-35960
  • CAS. No.53308-83-1
  • Stock Status:Enquire
N-Hydroxy-nor-L-Arginine Dihydrochloride
N-Hydroxy-nor-L-Arginine Dihydrochloride
  • CAT. No.CS-T-28105
  • CAS. No.291758-32-2
  • Stock Status:Enquire
Nω-Hydroxy-L-arginine Monoacetate
Nω-Hydroxy-L-arginine Monoacetate
  • CAT. No.CS-T-78551
  • CAS. No.53598-01-9
  • Stock Status:Enquire
Nω-Propyl-L-Arginine
Nω-Propyl-L-Arginine
  • CAT. No.CS-T-85625
  • CAS. No.137361-05-8
  • Stock Status:Enquire
Tri-N-Boc-L-Norarginine
Tri-N-Boc-L-Norarginine
  • CAT. No.CS-T-87138
  • CAS. No.869094-29-1
  • Stock Status:Enquire

Pesticide Standards

Nα-Benzoyl-L-isoleucyl-L-glutamyl-glycyl-L-arginine-4-nitroa...
Nα-Benzoyl-L-isoleucyl-L-glutamyl-glycyl-L-arginine-4-nitroanilide
  • CAT. No.CS-O-33024
  • CAS. No.59068-47-2
  • Stock Status:Enquire