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

L-valine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2RS)-Valganciclovir-d8 HCl (L-valine-d8) Stable Isotopes CS-C-01395 1132088-63-1 Enquire
Bis(L-Valine) Ester Ganciclovir-d16 Trifluoroacetic Acid Sal... Stable Isotopes CS-T-101800 Not Available Enquire
DL-Valine,ter-butyl ester,Hydrochloride D7 Stable Isotopes CS-O-57562 75898-43-0 (Unlabelled) Enquire
L-Valine-d8 Hydrochloride Stable Isotopes CS-O-58984 CAS 35045-72-8 (Free salt) Enquire
N-(Ethoxycarbonyl)-L-valine-d3 Stable Isotopes CS-T-96962 Not Available Enquire
N,N-Dimethyl-L-valine-d6 Stable Isotopes CS-T-96969 Not Available Enquire
N-[[N-Methyl-N-[(2-isopropyl-1,1,1,3,3,3-d6]-4-thiazolyl)met... Stable Isotopes CS-T-96894 1331906-73-0 Enquire
N-[[N-Methyl-N-[(2-isopropyl-1,1,1,3,3,3-d6]-4-thiazolyl)met... Stable Isotopes CS-T-96893 1331897-89-2 Enquire
N-2-Hydroxyethyl)-L-Valine-d4 Stable Isotopes CS-T-56042 120398-50-7 In Stock
N-Phenoxycarbonyl-L-valine-2,3,4,4,4,5,5,5-d8 Stable Isotopes CS-T-96886 126147-70-4 (unlabelled) Enquire
L-VALINE 13C5 Stable Isotopes CS-R-00413 55443-52-2 Enquire
L-Valine-2-d1 Stable Isotopes CS-O-15402 77257-03-5 Enquire
N-(2-Cyanoethyl-d3)-L-valine Stable Isotopes CS-T-51359 160210-22-0 Enquire
Valacyclovir-d8 HCl (L-valine-d8) Stable Isotopes CS-C-01325 1279033-32-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
DL-Valine API CS-DK-00004 516-06-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Des (N-(Methoxycarbonyl)-L-Valine) Velpatasvir Impurity CS-O-15966 ---- In Stock
N-(1-Oxopropyl)-N-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-y... Impurity CS-O-52273 1332623-79-6 In Stock
N-(Methoxycarbonyl)-L-Valyl-L-Valine Impurity CS-O-16127 2375084-73-2 In Stock
N-(p-Nitrobenzyloxycarbonyl)-L-valine Impurity CS-O-51776 51979-87-4 Enquire
N-[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]-N-(1-oxopentyl)-L-v... Impurity CS-T-89375 137863-90-2 In Stock
3-Sulfino-DL-valine Impurity CS-T-42808 98462-4-5 Enquire
L-Valine Orlistat Impurity CS-T-46256 1243107-50-7 Enquire
N-[[[(2-Ethyl-4-thiazolyl)methyl]methylamino]carbonyl]-L-val... Impurity CS-O-43859 Not Available Enquire
N-Ethoxycarbonyl a-Methyl-L-valine Impurity CS-T-54294 952577-51-4 Enquire
N-Methyl-L-valine 2-[(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-y... Impurity CS-O-35213 1401661-95-7 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Valine methyl ester Hydrochloride Intermediate CS-O-31534 6306-52-1 In Stock
L-Valine,N-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-, methyl e... Intermediate CS-O-32349 482577-59-3 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
CBZ L-Valine Fine Chemicals CS-O-01058 1149-26-4 In Stock
L-Valine Fine Chemicals CS-T-46244 72-18-4 In Stock
N-(Methoxycarbonyl)-L-valine Fine Chemicals CS-O-15220 74761-42-5 In Stock
N-Ethyl-L-Valine Fine Chemicals CS-O-52247 90600-06-9 In Stock
3-Fluoro-DL-valine Fine Chemicals CS-M-01156 43163-94-6 Enquire
3-Methoxy-DL-valine Fine Chemicals CS-CE-00309 18801-86-0 Enquire
L-Valine Amide Fine Chemicals CS-T-46247 3014-80-0 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso N-Ethyl-L-valine Nitrosamine CS-O-52248 Not Available In Stock
N-Nitroso-N-methyl-L-valine Nitrosamine CS-O-51830 53358-08-0 In Stock
O-benzyl N-Nitroso N-Ethyl-L-valine Nitrosamine CS-O-52249 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Valine Secondary Standards CS-SS-24208-1GM 72-18-4 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Valine-d7 Stable Isotope Reagent CS-O-55030 1021439-16-6 Enquire
L-Valine-d8-N-FMOC Stable Isotope Reagent CS-BX-00349 1007834-06-1 Enquire
((methoxy-d3)carbonyl)-L-valine Stable Isotope Reagent CS-O-47066 1627504-99-7 Enquire
3-Methyl-L-valine-d9 hydrochloride Stable Isotope Reagent CS-T-93609 1092540-48-1 Enquire
DL-Valine D8 Stable Isotope Reagent CS-BX-00345 203784-63-8 Enquire
DL-Valine-2,3-d2 Stable Isotope Reagent CS-C-00876 83181-79-7 Enquire
DL-Valine-2-d1 Stable Isotope Reagent CS-C-00849 14246-21-0 Enquire
DL-Valine-3-d1 Stable Isotope Reagent CS-C-00881 79168-24-4 Enquire
L-Valine-13C Stable Isotope Reagent CS-CH-00186 81201-85-6 Enquire
L-Valine-13C, N-Boc Stable Isotope Reagent CS-CH-00187 286460-61-5 Enquire
L-Valine-13C5,15N Stable Isotope Reagent CS-CH-00188 202407-30-5 Enquire
L-Valine-15N Stable Isotope Reagent CS-CH-00189 1009105-27-4 Enquire
L-Valine-15N, N-Boc Stable Isotope Reagent CS-CH-00190 141509-91-3 Enquire
L-Valine-15N, N-Fmoc Stable Isotope Reagent CS-CH-00191 125700-35-8 Enquire
L-Valine-d8-N-t-BOC Stable Isotope Reagent CS-C-01080 153568-33-3 Enquire
L-Valine-OH-13C5,15N, Fmoc Stable Isotope Reagent CS-CH-00193 1217442-94-8 Enquire


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Valine for cell culture, 99% Biochemicals CS-SR-00570 72-18-4 Enquire
L-Valine for tissue culture, 99% Biochemicals CS-SR-00190 72-18-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S,3S,5S)-2-Amino-3-hydroxy-1,6-diphenylhexane-5-N-carbamoy... Building Blocks CS-T-47853 1356922-07-0 Enquire
4,4,4-Trifluoro-DL-valine Building Blocks CS-M-01481 2365-79-9 Enquire
Boc-3-fluoro-DL-valine Building Blocks CS-M-29463 171348-52-0 Enquire
Boc-4,4,4-trifluoro-DL-valine Building Blocks CS-M-29464 409333-54-6 Enquire
Boc-N-methyl-L-valine Building Blocks CS-O-16055 45170-31-8 Enquire
Fmoc-3-fluoro-DL-valine Building Blocks CS-M-29484 1219144-82-7 Enquire
Fmoc-4,4,4-trifluoro-DL-valine Building Blocks CS-M-29485 1219402-20-6 Enquire
Glycyl-l-valine Building Blocks CS-T-78877 1963-21-9 Enquire
N-(2-Mercapto-1-oxopropyl)-L-valine Building Blocks CS-T-57510 1313496-16-0 Enquire
N-(3-Methoxy-3-oxopropyl)-L-valine tert-Butyl Ester Building Blocks CS-T-57792 192725-86-3 Enquire
N-(3-Propanamido)-L-valine tert-Butyl Ester Building Blocks CS-T-40608 192725-87-4 Enquire
N-(4-Nitrophenoxycarbonyl)-L-valine Methyl Ester Building Blocks CS-T-37069 162537-10-2 Enquire
N-Boc-L-valine-O-nitrophenyl Ester Building Blocks CS-T-07738 41120-72-3 Enquire
N-Formyl-l-valine Building Blocks CS-T-75754 4289-97-8 Enquire
N-Phenoxycarbonyl-L-valine Building Blocks CS-T-39312 126147-70-4 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Valine D8 Deuterated Reagents CS-T-62683 35045-72-8 In Stock


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-2-(Hydroxyethyl)-L-Valine-d4 AR Grade Analytical Standard CS-T-56042-10MG 120398-50-7 Enquire
N-2-(Hydroxyethyl)-L-Valine-d4 AR Grade-10 ppm/ACN Analytical Standard CS-T-56042-1ML 120398-50-7 Enquire