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

Glutamic Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"L-Glutamic Acid-15N(γ-Otbu), N-Fmoc" Stable Isotopes CS-CH-00083 191925-20-9 Enquire
"N-Acetyl-D-glutamic-2,3,3,4,4-d5 Acid" Stable Isotopes CS-T-64363 14341-87-8 Enquire
[1-13C]-L-Glutamic acid Stable Isotopes CS-O-53162 81201-99-2 Enquire
[13C5]-L-Pyroglutamic acid Stable Isotopes CS-EK-00675 55443-56-6 Enquire
[3-13C]-L-Glutamic acid Stable Isotopes CS-EK-01644 56-86-0 unlabeled Enquire
5-Methyltetrahydrofolic acid-(glutamic acid-13C5) Stable Isotopes CS-BX-00263 1207282-74-3 Enquire
D-Glutamic Acid 13C5 Stable Isotopes CS-T-55364 1202063-54-4 Enquire
D-Glutamic Acid-13C5,15N Stable Isotopes CS-T-78076 1202063-56-6 Enquire
D-Glutamic Acid-d5 Stable Isotopes CS-T-79285 14341-88-9 Enquire
DL-Glutamic-d3 Acid Stable Isotopes CS-T-94899 96927-56-9 Enquire
FMOC-L-Glutamic Acid-[13C5,15N]-5-t-butyl ester Stable Isotopes CS-I-00083 1628109-77-2 Enquire
Fructose-glutamic Acid-D5 Stable Isotopes CS-T-96570 Not Available Enquire
Glutamic acid 13C5 Stable Isotopes CS-CX-00483 1416575-87-5 Enquire
L-[4-13C]-Glutamic acid Stable Isotopes CS-EK-01315 135053-07-5 Enquire
L-Glutamic acid 13C5,15N Stable Isotopes CS-CX-00484 202468-31-3 Enquire
L-Glutamic acid D3 Stable Isotopes CS-O-32573 203805-84-9 Enquire
L-Glutamic Acid γ-p-Nitroanilide-d4 Stable Isotopes CS-T-100268 Not Available Enquire
L-Glutamic Acid-13C, N-Boc Stable Isotopes CS-CH-00078 286460-79-5 Enquire
L-Glutamic Acid-13C2 Stable Isotopes CS-CH-00088 115473-52-4 Enquire
L-Glutamic Acid-13C5,15N, N-Boc, O-Bzl Stable Isotopes CS-CH-00082 1640343-02-7 Enquire
L-Glutamic Acid-15N Stable Isotopes CS-CH-00085 21160-87-2 Enquire
L-Glutamic Acid-15N, D5 Stable Isotopes CS-CH-00084 56-86-0 (Unlabeled) Enquire
L-Glutamic Acid-15N, N-Boc Stable Isotopes CS-CH-00087 287484-35-9 Enquire
L-Glutamic acid-3-13C Stable Isotopes CS-BX-00258 115473-51-3 Enquire
L-Glutamic-2 13C Acid Stable Isotopes CS-T-55363 133883-00-8 Enquire
L-Pyroglutamic acid-d5 Stable Isotopes CS-O-32996 1086136-22-2 In Stock
N-(4-Aminobenzoyl)-L-glutamic Acid 1,5-Dimethyl Ester-d4 Stable Isotopes CS-T-97045 Not Available Enquire
N-(4-Aminobenzoyl-d4)-L-glutamic Acid Stable Isotopes CS-T-47626 461426-34-6 Enquire
N-(N-Acetyl-L-α-aspartyl)-L-glutamic Acid-d3 1,5-Bis(phenylm... Stable Isotopes CS-T-97067 Not Available Enquire
N-[4-[(Trifluoroacetyl)amino]benzoyl-d4]-L-glutamic Acid Dim... Stable Isotopes CS-T-62336 461426-33-5 Enquire
N-Acetyl-L-glutamic Acid D5 Stable Isotopes CS-O-15406 1188-37-0 (Unlabeled) Enquire
N-Boc-(p-aminobenzoyl)-L-glutamic Acid-d4 Dimethyl Ester Stable Isotopes CS-T-97006 Not Available Enquire
N-Carbamyl-L-glutamic Acid-d5 Stable Isotopes CS-T-96994 911478-54-1 Enquire
N-Methyl Pemetrexed L-Glutamic Acid-D3 Stable Isotopes CS-T-102225 Not Available Enquire
Pyroglutamic acid 13C5,15N Stable Isotopes CS-EK-01081 1188276-86-9 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-Glutamic acid API Standards CS-T-25446 6893-26-1 Enquire
DL-Glutamic Acid API Standards CS-T-25441 617-65-2 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Formiminoglutamic acid Metabolites CS-O-43520 816-90-0 Enquire
L-Glutamic acid Metabolites CS-T-25442 56-86-0 In Stock
L-Glutamic acid γ-ethyl ester Metabolites CS-O-03479 1119-33-1 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(2S)-4,4-Dimethyl-pyroglutamic Acid" Impurities CS-T-20551 1217832-12-6 Enquire
"(4R)-N-(tert-Butyloxycarbonyl)-4-(cyanomethyl)-L-glutamic A... Impurities CS-T-09790 328086-57-3 Enquire
"L-Glutamic Acid 1-(1,1-Dimethylethyl) 5-(Phenylmethyl) Este... Impurities CS-T-55367 105590-97-4 Enquire
(+/-)-threo-3-Methylglutamic Acid Impurities CS-T-58245 63088-04-0 Enquire
(3R)-N-(tert-Butyloxycarbonyl)-3-methyl-L-glutamic Acid Impurities CS-T-09941 910548-26-4 Enquire
4,4-Dimethyl-L-glutamic Acid Impurities CS-T-53572 151139-88-7 Enquire
D-Glutamic Acid 1-Methyl Ester Impurities CS-T-79693 26566-13-2 Enquire
D-Glutamic Acid 1-tert-Butyl Ester Impurities CS-T-79312 25456-76-2 Enquire
D-Glutamic Acid 5-tert-Butyl Ester Impurities CS-T-25462 45125-00-6 Enquire
D-glutamic acid dimethyl ester Impurities CS-O-34478 16422-27-8 Enquire
D-Pyroglutamic acid Impurities A070034 4042-36-8 Enquire
Ertugliflozin L- pyroglutamic acid Impurities CS-O-33685 1210344-83-4 In Stock
Ertugliflozin L- pyroglutamic acid adduct Impurities CS-O-58259 Not Available Enquire
Folinic Acid Impurity 5 (4-Aminobenzoyl D-Glutamic Acid) Impurities CS-P-07904 5959-18-2 Enquire
Glutamic Acid Impurity 1 Impurities CS-P-01022 1116-22-9 Enquire
Glutamic Acid Impurity 2 Impurities CS-P-01023 3929-61-1 Enquire
L-Glutamic Acid 5-Methyl Ester Impurities CS-T-25460 1499-55-4 In Stock
L-Glutamic Acid alpha-(7-Amido-4-methylcoumarin) Impurities CS-T-79333 98516-76-8 Enquire
Methotrexate-(4-Chlorobenzoyl)-L-glutamic Acid-impurity Impurities CS-O-58969 57444-70-9 Enquire
N-(4-acetamidobenzoyl)-L-glutamic acid Impurities CS-O-43319 60474-41-1 Enquire
N-(9-Fluorenylmethyloxycarbonyl)-D-glutamic acid 1-tert-buty... Impurities CS-DV-03642 109745-15-5 Enquire
N-(Benzyloxycarbonyl)-L-glutamic Acid a-tert-Butyl Ester Impurities CS-T-05978 5891-45-2 Enquire
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-glutamic Acid Impurities CS-T-75740 104091-09-0 Enquire
N-[(Phenylmethoxy)carbonyl]-D-glutamic Acid 1-(Phenylmethyl)... Impurities CS-T-60460 65706-99-2 Enquire
N-Boc 1-O-Benzyl 5-O-Methoxy L-Glutamic Acid Impurities CS-T-67355 132245-78-4 Enquire
N-Boc-4-dimethyl-L-glutamic Acid Impurities CS-T-07531 1217624-14-0 Enquire
N-Boc-D-glutamic Acid Impurities CS-T-07565 34404-28-9 Enquire
N-Boc-L-glutamic Acid a-Benzyl Ester Impurities CS-T-07566 30924-93-7 Enquire
N-Fmoc-L-ß-glutamic Acid 5-tert-Butyl Ester Impurities CS-T-74179 209252-17-5 Enquire
N-L-Alanyl-L-glutamic Acid Bis(benzyl) Ester Impurities CS-T-01508 87063-91-0 Enquire
N-L-Alanyl-L-glutamic Acid Bis(tert-butyl) Ester Impurities CS-T-01509 45272-19-3 Enquire
Pidotimod Glutamic acid derivative Impurities CS-T-96100 Not Available Enquire
Pidotimod Glutamic acid dimer impurity Impurities CS-T-96101 Not Available Enquire
Pteroyltri-gamma-L-glutamic acid Impurities CS-T-95828 89-38-3 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(2S,3R)-3-Methylglutamic Acid Hydrochloride Salt" Intermediates CS-T-58241 910548-20-8 Enquire
"N-[3,4-Dihydroxy-(E)-cinnamoyl]-L-glutamic Acid" Intermediates CS-T-19141 860295-23-4 Enquire
"N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]amino]benzoyl]gluta... Intermediates CS-T-52461 1236566-87-2 Enquire
"N-Fmoc-D,L--carboxyglutamic Acid ,-Di-t-butyl Ester" Intermediates CS-T-24558 308357-14-4 Enquire
"N-Fmoc-L--carboxyglutamic Acid ,-Di-t-butyl Ester" Intermediates CS-T-24559 111662-64-7 Enquire
(2S,3S)-3-Methylglutamic Acid Hydrochloride Salt Intermediates CS-T-58242 910548-22-0 Enquire
(2S,4R)-4-Hydroxy-L-glutamic Acid Intermediates CS-T-27424 2485-33-8 Enquire
(2S,4R)-4-Methylglutamic Acid Intermediates CS-T-58243 31137-74-3 Enquire
(2S,4S)-4-Hydroxy-L-glutamic Acid Intermediates CS-T-27425 3913-68-6 Enquire
(2S,4S)-4-Methylglutamic Acid Intermediates CS-T-58244 6141-27-1 Enquire
(D)-Pyroglutamic acid methyl ester Intermediates CS-EL-10048 64700-65-8 Enquire
(S,S)-N,N-Ethylenediglutamic Acid Intermediates CS-T-22778 34747-66-5 Enquire
1-Boc-D-Pyroglutamic acid ethyl ester Intermediates CS-O-16053 144978-35-8 Enquire
4-Fluoro-DL-glutamic Acid Intermediates CS-T-24039 2708-77-2 Enquire
Boc-a-methyl-DL-glutamic acid Intermediates CS-M-29536 189149-03-9 Enquire
Boc-l-beta-homoglutamic acid 6-benzyl ester Intermediates CS-AC-03506 218943-30-7 Enquire
Boc-l-pyroglutamic acid dicyclohexylammonium salt Intermediates CS-AC-02266 4677-75-2 Enquire
-Carboxyglutamic Acid ,-Di-t-butyl 3-Ethyl Ester Intermediates CS-T-10431 73538-32-6 Enquire
-Carboxyglutamic Acid ,-Di-t-butyl Ester Intermediates CS-T-10430 56877-44-2 Enquire
D-Glutamic Acid 1,5-Dimethyl Ester Hydrochloride Intermediates CS-T-25452 27025-25-8 Enquire
D-Glutamic Acid 1-tert-Butyl Ester Hydrochloride Intermediates CS-T-25461 200616-62-2 Enquire
DL-Glutamic Acid 5-Methyl Ester Intermediates CS-T-78955 14487-45-7 Enquire
Dl-glutamic acid monohydrate Intermediates CS-T-78262 19285-83-7 Enquire
Fmoc-g-[β-(5-naphthyl Sulfonic Acid)-ethylenediamine]-L... Intermediates CS-T-24577 193475-66-0 Enquire
Fructose-glutamic Acid Intermediates CS-T-55105 31105-01-8 Enquire
L-(+)-N-[p-[[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)met... Intermediates CS-T-47813 15574-33-1 Enquire
L-beta-Homoglutamic Acid Hydrochloride Intermediates CS-T-79325 61884-74-0 Enquire
L-Glutamic Acid ?-(4-Methoxy-?-naphthylamide) Intermediates CS-T-78326 24723-50-0 Enquire
L-Glutamic Acid a-tert-Butyl Ester Intermediates CS-T-25450 45120-30-7 Enquire
L-Glutamic acid gamma-(3-carboxy-4-hydroxyanilide) Intermediates CS-T-79708 74929-17-2 Enquire
L-Glutamic acid gamma-(7-amido-4-methylcoumarin) Intermediates CS-T-79505 72669-53-5 Enquire
L-Glutamic acid gamma-(alpha-naphthylamide) monohydrate Intermediates CS-T-79719 81012-91-1 Enquire
L-Glutamic acid gamma-(beta-naphthylamide) Intermediates CS-T-78946 14525-44-1 Enquire
L-Glutamic acid gamma-(p-nitroanilide), HCl Intermediates CS-T-79728 67953-08-6 Enquire
L-Glutamic Acid Hydrochloride Intermediates CS-T-25458 138-15-8 Enquire
L-Glutamic Acid Magnesium Salt Hydrobromide Intermediates CS-T-55365 53459-38-4 Enquire
L-Glutamic Acid -p-Nitroanilide Intermediates CS-T-25464 7300-59-6 Enquire
L-Glutamic Anhydride Intermediates CS-T-79757 48103-74-8 Enquire
L-Glutamic Anhydride Hydrochloride Intermediates CS-T-78400 5165-15-1 Enquire
L-N-(Trifluoroacetyl)glutamic acid anhydride Intermediates CS-CE-00223 1535-57-5 Enquire
L-Pyroglutamic acid 4-nitroanilide Intermediates CS-T-85110 66642-35-1 Enquire
L-pyroglutamic Acid 7-amido-4-methylcoumarin Intermediates CS-AD-00843 66642-36-2 Enquire
L-Pyroglutamic Acid -ß-Naphthylamide Intermediates CS-T-41218 22155-91-5 Enquire
N-(4-Aminobenzoyl)-l-glutamic acid diethyl ester Intermediates CS-AC-02689 13726-52-8 Enquire
N-(4-Nitrobenzoyl)-D-glutamic Acid Intermediates CS-T-59354 85646-44-2 Enquire
N-(4-Nitrobenzoyl)-L-glutamic Acid Intermediates CS-T-83038 6758-40-3 Enquire
N-(4-N-Methylaminobenzoyl)-L-glutamic acid diethyl ester Intermediates CS-AC-02696 2378-95-2 Enquire
N-(5-Oxo-L-prolyl)-L-glutamic Acid Intermediates CS-T-60042 29227-92-7 Enquire
N-(Methoxycarbonyl)-D,L-glutamic Acid 5-Ethyl Ester Intermediates CS-T-82440 1356933-92-0 Enquire
N-(p-Nitrobenzoyl)glutamic Acid Intermediates CS-T-59363 22536-03-4 Enquire
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidi... Intermediates CS-O-31388 165049-28-5 Enquire
N-Acetyl-D-glutamic Acid Intermediates CS-M-58315 19146-55-5 Enquire
N-Acetylglycyl-D-glutamic acid Intermediates CS-T-64518 135701-69-8 Enquire
N-Acetyl-L-glutamic Acid Intermediates CS-T-47268 1188-37-0 In Stock
N-Alpha-t-butyloxycarbonyl-l-glutamic acid beta-allyl ester Intermediates CS-AC-04228 132286-79-4 Enquire
N-Cbz-D-glutamic Acid Intermediates CS-T-10267 63648-73-7 Enquire
N-Fmoc-L-glutamic Acid Intermediates CS-T-24570 121343-82-6 Enquire
N-Formyl -Carboxyglutamic Acid ,-Di-t-butyl 3-Ethyl Ester Intermediates CS-T-24670 75117-30-5 Enquire
N-t-Butyloxycarbonyl-glutamic acid alpha phenyl ester Intermediates CS-ED-13496 59587-94-9 Enquire
Nε-Palmitoyl-L-glutamic Acid γ-Succinimidyl-α-tert-butyl Est... Intermediates CS-T-84375 204521-63-1 Enquire
rac N-Formiminoglutamic Acid Intermediates CS-T-24816 943418-43-7 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"D-Glutamic acid alpha-amide, HCl" Fine Chemicals CS-T-78352 19522-40-8 Enquire
Diethyl Ester D-Glutamic Acid Hydrochloride Fine Chemicals CS-T-93905 1001-19-0 Enquire
L-Glutamic Acid Dimethyl Ester Fine Chemicals CS-O-34476 6525-53-7 Enquire
L-Glutamic acid monoammonium salt Fine Chemicals CS-DK-00017 7558-63-6 Enquire
L-Glutamic Acid Monosodium Salt Fine Chemicals CS-T-77995 142-47-2 Enquire
Pyroglutamic acid Fine Chemicals CS-O-30739 98-79-3 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"N,N-Bis[2-(1,1-dimethylethoxy)-2-oxoethyl]-L-glutamic Acid ... Building Blocks CS-T-49287 862778-55-0 Enquire
9-Fmoc)-L-glutamic acid gamma-tert-butyl ester monohydrate Building Blocks CS-T-77226 204251-24-1 Enquire
Boc-L-glutamic acid 5-benzyl ester Building Blocks CS-O-11066 13574-13-5 In Stock
Boc-L-glutamic acid 5-tert-butyl ester Building Blocks CS-DV-03496 13726-84-6 Enquire
Fmoc-a-methyl-DL-glutamic acid Building Blocks CS-M-29544 1219372-49-2 Enquire
Fmoc--carboxy-D-glutamic acid ,-di-t-butyl ester Building Blocks CS-M-29549 111662-65-8 Enquire
Fmoc-L-beta-homoglutamic acid 6-tert-butyl ester Building Blocks CS-DV-03579 203854-49-3 Enquire
Fmoc-l-glutamic acid 1-(7-amido-4-methylcoumarin) Building Blocks CS-T-77358 957311-37-4 Enquire
Fmoc-L-glutamic acid g-9-fluorenylmethyl ester Building Blocks CS-T-75721 608512-86-3 Enquire
Fmoc--methylene-DL-glutamic acid Building Blocks CS-M-29550 1219174-57-8 Enquire
L-Glutamic acid dimethyl ester hydrochloride Building Blocks CS-DA-00376 23150-65-4 In Stock
L-Glutamic acid gamma-(3-carboxy-4-nitroanilide) ammonium sa... Building Blocks CS-DA-00572 63699-78-5 Enquire
L-Glutaminyl-L-glutamic Acid Building Blocks CS-T-78979 88830-90-4 Enquire
L-Valyl-L-histidyl-L-leucyl-L-threonyl-L-prolyl-L-glutamic A... Building Blocks CS-T-46289 93913-39-4 Enquire
N-(1-Oxohexadecyl)-L-glutamic Acid tert-Butyl Ester Building Blocks CS-T-38455 536721-25-2 Enquire
N-(p-Aminobenzoyl)-L-glutamic Acid Dimethyl Ester Building Blocks CS-T-01952 52407-60-0 Enquire
N-[4-[(Trifluoroacetyl)amino]benzoyl]-L-glutamic Acid Dimeth... Building Blocks CS-T-62335 233600-78-7 Enquire
N-Boc-glutamic Acid Tert-butyl Ester Building Blocks CS-T-68667 24277-39-2 In Stock
N-Boc-L-glutamic Acid Building Blocks CS-T-07564 2419-94-5 Enquire
N-Boc-L-glutamic Acid 5-Methyl Ester Building Blocks CS-T-67738 45214-91-3 In Stock
N-Carbobenzyloxy-L-glutamic Acid Building Blocks CS-T-10268 1155-62-0 Enquire
N-Carbobenzyloxy-L-glutamic Acid O-Benzyl Ester Building Blocks CS-T-10269 3705-42-8 Enquire
N-Phthaloyl-L-glutamic Anhydride Building Blocks CS-T-39902 25830-77-7 Enquire
N-tert-Butyloxycarbonyl-L--glutamyl-L-glutamic Acid 1-Benzyl... Building Blocks CS-T-50163 935441-43-3 Enquire
N-Tosyl-L-glutamic Acid Building Blocks CS-T-44690 4816-80-2 Enquire