Attention:

Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Amino acids

Designed to help you locate the chemicals and kits you need, the Bioactive Nutrient Explorer allows you to search for plants containing specific chemicals or demonstrating a specific physiological activity, as well as identify compounds found within a specific plant or chemical structure class.

See also Biochemicals and Reagents → Amino Acids and the Amino Acids Reference Chart.

Product #

Image

Description

CAS Number

Add to Cart

A7250 N-Acetyl-L-cysteine Sigma Grade, ≥99% (TLC), powder 616-91-1 163.2
A5099 N-Acetyl-L-cysteine PharmaGrade, Ajinomoto, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 616-91-1 163.2
A8199 N-Acetyl-L-cysteine BioXtra, ≥99% (TLC) 616-91-1 163.2
A9165 N-Acetyl-L-cysteine cell culture tested, BioReagent 616-91-1 163.2
T4446 N-Acetyl-L-tyrosine PharmaGrade, Ajinomoto, EP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 537-55-3 223.2
A9878 4-Aminobenzoic acid ReagentPlus®, ≥99% 150-13-0 137.1
429767 4-Aminobenzoic acid purified by sublimation, ≥99% 150-13-0 137.1
100536 4-Aminobenzoic acid ReagentPlus®, 99% 150-13-0 137.1
A5835 γ-Aminobutyric acid BioXtra, ≥99% 56-12-2 103.1
A2129 γ-Aminobutyric acid ≥99% 56-12-2 103.1
A5006 L-Arginine reagent grade, ≥98% 74-79-3 174.2
A8094 L-Arginine from non-animal source, meets EP, USP testing specifications, suitable for cell culture, 98.5-101.0% 74-79-3 174.2
A4474 L-Arginine PharmaGrade, Ajinomoto, EP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 74-79-3 174.2
11009 L-Arginine BioUltra, ≥99.5% (NT) 74-79-3 174.2
C9625 L-Carnosine ~99%, crystalline 305-84-0 226.2
C7629 L-Citrulline ≥98% (TLC) 372-75-8 175.2
168149 L-Cysteine 97% 52-90-4 121.2
C7352 L-Cysteine from non-animal source, BioReagent, suitable for cell culture, ≥98% 52-90-4 121.2
C5360 L-Cysteine PharmaGrade, Ajinomoto, from non-animal source, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 52-90-4 121.2
30089 L-Cysteine BioUltra, ≥98.5% (RT) 52-90-4 121.2
C1276 L-Cysteine hydrochloride anhydrous, ≥98% (TLC) 52-89-1 157.6
C7477 L-Cysteine hydrochloride anhydrous, from non-animal source, BioReagent, suitable for cell culture, ≥98.0% 52-89-1 157.6
30120 L-Cysteine hydrochloride anhydrous, ≥99.0% (RT) 52-89-1 157.6
C8755 L-Cystine ≥98% (TLC), crystalline 56-89-3 240.3
C7602 L-Cystine from non-animal source, meets EP testing specifications, suitable for cell culture, 98.5-101.0% 56-89-3 240.3
30200 L-Cystine ≥99.7% (TLC) 56-89-3 240.3
C2526 L-Cystine dihydrochloride ≥98% (TLC) 30925-07-6 313.2
C6727 L-Cystine dihydrochloride from non-animal source, BioReagent, suitable for cell culture, ≥98.0% dry basis 30925-07-6 313.2
G3126 L-Glutamine ReagentPlus®, ≥99% (HPLC) 56-85-9 146.1
G5792 L-Glutamine PharmaGrade, Ajinomoto, USP, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 56-85-9 146.1
G8540 L-Glutamine meets USP testing specifications, cell culture tested, 99.0-101.0%, from non-animal source 56-85-9 146.1
G6392 L-Glutamine γ-irradiated, BioXtra, suitable for cell culture 56-85-9 146.1
49419 L-Glutamine BioUltra, ≥99.5% (NT) 56-85-9 146.1
H6034 L-Histidine cell culture tested, meets EP, USP testing specifications, from non-animal source 71-00-1 155.2
H8000 L-Histidine ReagentPlus®, ≥99% (TLC) 71-00-1 155.2
H3911 L-Histidine PharmaGrade, Ajinomoto, EP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 71-00-1 155.2
53319 L-Histidine BioUltra, ≥99.5% (NT) 71-00-1 155.2
H4628 DL-Homocysteine ≥95% (titration) 454-29-5 135.2
H9772 5-Hydroxy-L-tryptophan powder 4350-09-8 220.2
107751 5-Hydroxy-L-tryptophan 98% (calc. on dried substance) 4350-09-8 220.2
L8912 L-Leucine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% 61-90-5 131.2
L8000 L-Leucine reagent grade, ≥98% (HPLC) 61-90-5 131.2
L6914 L-Leucine PharmaGrade, Ajinomoto, EP, JP, USP, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 61-90-5 131.2
61819 L-Leucine BioUltra, ≥99.5% (NT) 61-90-5 131.2
L5501 L-Lysine ≥98% (TLC) 56-87-1 146.2
62840 L-Lysine crystallized, ≥98.0% (NT) 56-87-1 146.2
L9037 L-Lysine monohydrate BioReagent, cell culture tested, from non-animal source 39665-12-8 164.2
M9625 L-Methionine reagent grade, ≥98% (HPLC) 63-68-3 149.2
M5308 L-Methionine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 99.0-101.0% 63-68-3 149.2
M8439 L-Methionine PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 63-68-3 149.2
64319 L-Methionine BioUltra, ≥99.5% (NT) 63-68-3 149.2
O2375 L-Ornithine monohydrochloride ≥99% 3184-13-2 168.6
O4386 L-Ornithine monohydrochloride BioXtra, ≥99% 3184-13-2 168.6
O6503 L-Ornithine monohydrochloride BioReagent, suitable for cell culture, ≥99% 3184-13-2 168.6
75469 L-Ornithine monohydrochloride BioXtra, ≥99.5% (AT) 3184-13-2 168.6
P2126 L-Phenylalanine reagent grade, ≥98% 63-91-2 165.2
P5482 L-Phenylalanine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% 63-91-2 165.2
P8740 L-Phenylalanine PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 63-91-2 165.2
78019 L-Phenylalanine BioUltra, ≥99.0% (NT) 63-91-2 165.2
P0380 L-Proline ReagentPlus®, ≥99% (HPLC) 147-85-3 115.1
P5607 L-Proline from non-animal source, meets EP, USP testing specifications, suitable for cell culture 147-85-3 115.1
P8865 L-Proline PharmaGrade, Ajinomoto, EP, JP, USP, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 147-85-3 115.1
81709 L-Proline BioUltra, ≥99.5% (NT) 147-85-3 115.1
S4500 L-Serine ReagentPlus®, ≥99% (HPLC) 56-45-1 105.1
S4311 L-Serine from non-animal source, meets EP, USP testing specifications, suitable for cell culture, 98.5-101.0% 56-45-1 105.1
84959 L-Serine BioUltra, ≥99.5% (NT) 56-45-1 105.1
84960 L-Serine ≥99.0% (NT) 56-45-1 105.1
78682 L-Serine tested according to Ph.Eur. 56-45-1 105.1
S1315 L-Serine PharmaGrade, Ajinomoto, EP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 56-45-1 105.1
T0625 Taurine ≥99% 107-35-7 125.2
T8691 Taurine meets USP testing specifications, cell culture tested 107-35-7 125.2
T4571 Taurine PharmaGrade, Ajinomoto, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 107-35-7 125.2
86329 Taurine BioUltra, ≥99.5% (T) 107-35-7 125.2
SMB00395 L-Theanine ≥98% (HPLC) 3081-61-6 174.2
T8625 L-Threonine reagent grade, ≥98% (HPLC) 72-19-5 119.1
T8441 L-Threonine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 99.0-101.0% 72-19-5 119.1
T4071 L-Threonine PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 72-19-5 119.1
T0254 L-Tryptophan reagent grade, ≥98% (HPLC) 73-22-3 204.2
T8941 L-Tryptophan from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 99.0-101.0% 73-22-3 204.2
T4196 L-Tryptophan PharmaGrade, Ajinomoto, EP, JP, USP, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 73-22-3 204.2
93659 L-Tryptophan BioUltra, ≥99.5% (NT) 73-22-3 204.2
T3754 L-Tyrosine reagent grade, ≥98% (HPLC) 60-18-4 181.2
T8566 L-Tyrosine from non-animal source, meets EP, USP testing specifications, suitable for cell culture, ≥99.0% 60-18-4 181.2
T4321 L-Tyrosine PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for pharma or biopharmaceutical production, suitable for cell culture 60-18-4 181.2
93829 L-Tyrosine BioUltra, ≥99.0% (NT) 60-18-4 181.2
V0500 L-Valine reagent grade, ≥98% (HPLC) 72-18-4 117.2
V0513 L-Valine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% 72-18-4 117.2
V4638 L-Valine PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 72-18-4 117.2
94619 L-Valine BioUltra, ≥99.5% (NT) 72-18-4 117.2