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

Glutamine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[3-13C]-L-Glutamine Stable Isotopes CS-EK-00882 180991-03-1 Enquire
L-[4-13C]-Glutamine Stable Isotopes CS-EK-01863 180991-04-2 Enquire
L-GLUTAMINE 15N2 Stable Isotopes CS-R-00404 204451-48-9 Enquire
L-Glutamine-13C Stable Isotopes CS-T-95730 159680-32-7 Enquire
L-Glutamine-13C5 Stable Isotopes CS-T-79443 184161-19-1 Enquire
L-Glutamine-13C5,15N2 Stable Isotopes CS-CH-00091 285978-14-5 Enquire
L-Glutamine-13C5,15N2(Trt), N-Fmoc Stable Isotopes CS-CH-00090 1217462-20-8 Enquire
L-Glutamine-13C-Amine-15N Stable Isotopes CS-CH-00094 1217467-74-7 Enquire
L-Glutamine-15N2, N-Boc Stable Isotopes CS-CH-00093 1217466-89-1 Enquire
L-Glutamine-5-13C Hydrochloride Stable Isotopes CS-T-96948 Not Available Enquire
L-Glutamine-amide 15N Stable Isotopes CS-T-55368 59681-32-2 Enquire
N2-Lauroyl-L-glutamine-d23 Stable Isotopes CS-T-96909 1795786-88-7 Enquire
Phenylacetyl-d5 L-Glutamine Stable Isotopes CS-T-60346 1331909-01-3 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-Glutamine API Standards CS-T-55374 5959-95-5 Enquire
L-Glutamine-2,3,3,4,4-d5 API Standards CS-BX-01031 Not Available Enquire
L-Homoglutamine API Standards CS-T-26359 7433-32-1 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(tert-Butoxycarbonyl)-DL-glutamine Impurities CS-O-47521 85535-45-1 Enquire
Alanyl Glutamine Impurity 18 HCl Impurities CS-P-08594 Not Available Enquire
D-Glutamine Methyl Ester Hydrochloride Impurities CS-T-78615 74817-54-2 Enquire
D-Glutamine tert-Butyl Ester Hydrochloride Impurities CS-T-79489 422324-35-4 Enquire
DL-erythro-4-Fluoroglutamine Impurities CS-T-24035 238418-67-2 Enquire
DL-threo-4-Fluoroglutamine Impurities CS-T-24036 238418-69-4 Enquire
L-Glutamine Diethylamide Hydrochloride Impurities CS-O-57185 77529-90-9 Enquire
N2,N6-Bis(benzyloxycarbonyl)-L-homoglutamine Impurities CS-T-06717 88462-80-0 Enquire
N2-Boc-D-glutamine Impurities CS-T-68375 61348-28-5 Enquire
N2-Decanoyl-L-glutamine Impurities CS-T-14586 26060-95-7 Enquire
N2-Lauroyl-L-glutamine Impurities CS-T-30924 109570-04-9 Enquire
N-Acetyl-D-Glutamine Impurities CS-P-01387 Not Available Enquire
N-Acetyl-L-isoglutamine Impurities CS-T-00891 25460-87-1 Enquire
N-Phenylacetyl-L-Glutamine Impurities CS-O-01987 28047-15-6 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"L-Isoglutamine benzyl ester, N-BOC protected" Intermediates CS-CE-00296 292870-04-3 Enquire
Aspartyl-Glutamine Intermediates CS-ED-11300 13433-13-1 Enquire
Boc-(N-gamma-ethyl)-L-glutamine Intermediates CS-ED-13980 210692-65-2 Enquire
Boc-l-beta-homoglutamine Intermediates CS-AC-02221 336182-06-0 Enquire
gamma-Glutamylglutamine Intermediates CS-ED-30265 10148-81-9 Enquire
Glycyl-l-glutamine Intermediates CS-AC-04193 13115-71-4 Enquire
L-beta-Homoglutamine Hydrochloride Intermediates CS-T-78053 336182-05-9 Enquire
L-Glutamine Methyl Ester Hydrochloride Intermediates CS-T-79215 32668-14-7 Enquire
L-Glutamine tert-Butyl Ester Hydrochloride Intermediates CS-T-25467 39741-62-3 Enquire
N2-Fmoc-D-glutamine Intermediates CS-T-24565 112898-00-7 Enquire
N-acetyl-beta-glucosaminyl-N-acetylmuramyl-alanylisoglutamin... Intermediates CS-ED-37774 70280-03-4 Enquire
N-acetylglutaminylglutamine Intermediates CS-ED-40429 69624-04-0 Enquire
N-Acetyl-L-glutamine Intermediates CS-CE-00647 2490-97-3 Enquire
N-Phthaloyl-L-glutamine Intermediates CS-ED-41352 3343-29-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Phenylacetamide Fine Chemicals CS-M-41951 103-81-1 In Stock
DL-Glutamine Fine Chemicals CS-DE-01467 6899-04-3 Enquire
L-Glutamine Fine Chemicals CS-T-25454 56-85-9 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D,L-Homoglutamine Building Blocks CS-T-26358 34218-76-3 Enquire
Glycylglycyl-L-glutamine Building Blocks CS-T-55448 186787-32-6 Enquire
L-Alanyl -L-Glutamine Building Blocks CS-O-30632 39537-23-0 In Stock
L-Isoglutamine Building Blocks CS-T-79093 636-65-7 Enquire
N-(tert-Butoxycarbonyl)-L-glutamine methyl ester Building Blocks CS-T-09289 4976-88-9 Enquire
N2-[(Phenylmethoxy)carbonyl]-L-glutamine Building Blocks CS-T-39616 2650-64-8 Enquire
N2-Benzyloxycarbonyl-L-homoglutamine Building Blocks CS-T-05971 83793-19-5 Enquire
N2-Cbz-D-glutamine Building Blocks CS-T-10674 13139-52-1 Enquire
N-beta-Fmoc-L-beta-glutamine Building Blocks CS-T-77413 283160-18-9 Enquire