m
Cat. #
Product
Qty.
US $
(+)-D-Malic acid, ≥99%
((R)-2-Hydroxybutanedicarboxylic acid; (R)-Hydroxysuccinic acid)
[636-61-3] C4H6O5 FW 134.09
((R)-2-Hydroxybutanedicarboxylic acid; (R)-Hydroxysuccinic acid)
[636-61-3] C4H6O5 FW 134.09
5
g
29.00
25
g
99.00
100
g
283.00
(−)-L-Malic acid, ≥99%
((S)-2-Hydroxybutanedicarboxylic acid; (S)-Hydroxysuccinic acid)
[97-67-6] C4H6O5 FW 134.09
((S)-2-Hydroxybutanedicarboxylic acid; (S)-Hydroxysuccinic acid)
[97-67-6] C4H6O5 FW 134.09
100
g
35.00
500
g
130.00
2.5
kg
250.00
D-Malic anhydride trifluoroacetate
((R)-3-Trifluoroacetoxy-dihydro-2,5-furandione; (R)-2-Trifluoroacetoxysuccinic anhydride)
[83541-02-0] C6H3F3O5 FW 212.08
((R)-3-Trifluoroacetoxy-dihydro-2,5-furandione; (R)-2-Trifluoroacetoxysuccinic anhydride)
[83541-02-0] C6H3F3O5 FW 212.08
L-Malic anhydride trifluoroacetate
((S)-3-Trifluoroacetoxy-dihydro-2,5-furandione; (S)-2-Trifluoroacetoxysuccinic anhydride)
[99529-36-9] C6H3F3O5 FW 212.08
((S)-3-Trifluoroacetoxy-dihydro-2,5-furandione; (S)-2-Trifluoroacetoxysuccinic anhydride)
[99529-36-9] C6H3F3O5 FW 212.08
25
g
25.00
100
g
72.00
500
g
245.00
25
g
27.00
100
g
78.00
500
g
265.00
(−)-D-Mandelic acid methyl ester, ≥99%, ≥99% e.e.
(Methyl (R)-α-hydroxyphenylacetate)
[20698-91-3] C9H10O3 FW 166.17
Optically active building block.
(Methyl (R)-α-hydroxyphenylacetate)
[20698-91-3] C9H10O3 FW 166.17
Optically active building block.
5
g
29.00
25
g
98.00
100
g
280.00
(+)-L-Mandelic acid methyl ester, ≥99%, ≥99% e.e.
(Methyl (S)-α-hydroxyphenylacetate)
[21210-43-5] C9H10O3 FW 166.17
Optically active building block.
(Methyl (S)-α-hydroxyphenylacetate)
[21210-43-5] C9H10O3 FW 166.17
Optically active building block.
5
g
29.00
25
g
98.00
100
g
280.00
(+)-D-Menthol
((1S,2R,5S)-menthol; D-p-Menthan-3-ol; (1S,2R,5S)-2-Isopropyl-5-methylcyclohexanol)
[15356-60-2] C10H20O FW 156.27 FP 200 °F (93 °C)
((1S,2R,5S)-menthol; D-p-Menthan-3-ol; (1S,2R,5S)-2-Isopropyl-5-methylcyclohexanol)
[15356-60-2] C10H20O FW 156.27 FP 200 °F (93 °C)
10
g
30.00
50
g
95.00
250
g
325.00
(−)-L-Menthol, USP, ≥99.0%
((1R,2S,5R)-menthol; L-p-Menthan-3-ol; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol; Natural menthol)
[2216-51-5] C10H20O FW 156.27 FP 200 °F (93 °C)
((1R,2S,5R)-menthol; L-p-Menthan-3-ol; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol; Natural menthol)
[2216-51-5] C10H20O FW 156.27 FP 200 °F (93 °C)
250
g
30.00
1
kg
90.00
5
kg
315.00
N-CBZ-L-Methionine
[N-Carbobenzyloxyl-L-methionine; CBZ-Met-OH; Z-Met-OH]
[1152-62-1] C13H17NO4S FW 283.34
[N-Carbobenzyloxyl-L-methionine; CBZ-Met-OH; Z-Met-OH]
[1152-62-1] C13H17NO4S FW 283.34
5
g
25.00
25
g
95.00
100
g
275.00
N-FMOC-L-Methionine
[N-Fluorenylmethoxycarbonyl-L-methionine; FMOC-Met-OH]
[71989-28-1] C20H21NO4S FW 371.45
[N-Fluorenylmethoxycarbonyl-L-methionine; FMOC-Met-OH]
[71989-28-1] C20H21NO4S FW 371.45
5
g
28.00
25
g
105.00
100
g
350.00
(R)-(−)-2-(Methoxymethyl)pyrrolidine
[O-Methyl-D-prolinol]
[84025-81-0] C6H13NO FW 115.17
[O-Methyl-D-prolinol]
[84025-81-0] C6H13NO FW 115.17
(S)-(+)-2-(Methoxymethyl)pyrrolidine
[O-Methyl-L-prolinol]
[63126-47-6] C6H13NO FW 115.17
[O-Methyl-L-prolinol]
[63126-47-6] C6H13NO FW 115.17
Methyl (2R)-(+)-2-(hydroxydiphenylmethyl)-1-pyrrolidinecarboxylate
((R)-N-Carbomethoxy-α,α-diphenyl-2-pyrrolidinemethanol)
[352535-69-4] C19H21NO3 FW 311.37
((R)-N-Carbomethoxy-α,α-diphenyl-2-pyrrolidinemethanol)
[352535-69-4] C19H21NO3 FW 311.37
Methyl (2S)-(−)-2-(hydroxydiphenylmethyl)-1-pyrrolidinecarboxylate
((S)-N-Carbomethoxy-α,α-diphenyl-2-pyrrolidinemethanol)
[352535-68-3] C19H21NO3 FW 311.37
((S)-N-Carbomethoxy-α,α-diphenyl-2-pyrrolidinemethanol)
[352535-68-3] C19H21NO3 FW 311.37
(+)-D-α-Methylbenzylamine, ≥99%
(D-α-phenylethylamine; (R)-1-Phenylethylamine)
[3886-69-9] C8H11N FW 121.18 FP 79 °F
(D-α-phenylethylamine; (R)-1-Phenylethylamine)
[3886-69-9] C8H11N FW 121.18 FP 79 °F
50
g
25.00
250
g
85.00
1
kg
300.00
(−)-L-α-Methylbenzylamine, ≥99%
(L-α-phenylethylamine; (S)-1-Phenylethylamine)
[2627-86-3] C8H11N FW 121.18 FP 79 ?F
(L-α-phenylethylamine; (S)-1-Phenylethylamine)
[2627-86-3] C8H11N FW 121.18 FP 79 ?F
50
g
25.00
250
g
85.00
1
kg
300.00
(−)-α-Methyl-L-DOPA sesquihydrate, USP24
(3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine sesquihydrate; 3-Hydroxy-α-Methyl-L-tyrosine sesquihydrate; (S)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropionic acid sesquihydrate)
[41372-08-1] C10H13NO4R FW 211.21
(3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine sesquihydrate; 3-Hydroxy-α-Methyl-L-tyrosine sesquihydrate; (S)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropionic acid sesquihydrate)
[41372-08-1] C10H13NO4R FW 211.21
5
g
21.00
25
g
55.00
100
g
150.00
Nτ-Methyl-L-histidine hydrochloride
[332-80-9] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine, but is referred to as 3-methyl-L-histidine or Nim-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will only accept those orders that specify the "tau" product.
[332-80-9] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine, but is referred to as 3-methyl-L-histidine or Nim-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will only accept those orders that specify the "tau" product.
50
mg
35.00
250
mg
115.00
1
g
330.00
Nα-FMOC-Nπ-Methyl-L-histidine
C22H21N3O4 FW 391.42
See naming note on 18393 Nπ-Methyl-L-histidine
C22H21N3O4 FW 391.42
See naming note on 18393 Nπ-Methyl-L-histidine
250
mg
60.00
1
g
200.00
Nα-FMOC-Nτ-Methyl-L-histidine
[202920-22-7] C22H21N3O4 FW 391.42
See naming note on 02456 Nτ-Methyl-L-histidine
[202920-22-7] C22H21N3O4 FW 391.42
See naming note on 02456 Nτ-Methyl-L-histidine
250
mg
195.00
1
g
625.00
Nπ-Methyl-L-histidine
((S)-1-Methylimidazole-5-alanine)
[368-16-1] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 3-methyl-L-histidine but is referred to as 1-methyl-L-histidine in some references
((S)-1-Methylimidazole-5-alanine)
[368-16-1] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 3-methyl-L-histidine but is referred to as 1-methyl-L-histidine in some references
100
mg
25.00
500
mg
86.00
2.5
g
290.00
Nτ-Methyl-D-histidine
[163750-77-4] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine but is identified as 3-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will accept only those orders which specify the name with a τ locant.
[163750-77-4] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine but is identified as 3-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will accept only those orders which specify the name with a τ locant.
1
g
440.00
Nτ-Methyl-L-histidine
[15507-76-3] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine but is identified as 3-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will accept only those orders which specify the name with a τ locant.
[15507-76-3] C7H11N3O2 FW 169.18
This product corresponds to IUPAC 1-methyl-L-histidine but is identified as 3-methyl-L-histidine in some references. To avoid confusion, Advanced Asymmetrics will accept only those orders which specify the name with a τ locant.
50
mg
50.00
250
mg
155.00
1
g
440.00
Nτ-Methyl-L-histidine methyl ester hydrochloride
[57519-09-2]
See naming note on 02456 Nτ-Methyl-L-histidine
[57519-09-2]
See naming note on 02456 Nτ-Methyl-L-histidine
1
g
360.00
(R)-(−)-2-Methyl-exo-isoborneol
((1R)-exo-1,2,7,7-Tetramethylbicyclo[2.2.1]heptan-2-ol)
[68330-43-8] C11H20O FW 168.28
Prepared from D-camphor. Many other vendors list this as [2371-42-8], which is the racemate.
((1R)-exo-1,2,7,7-Tetramethylbicyclo[2.2.1]heptan-2-ol)
[68330-43-8] C11H20O FW 168.28
Prepared from D-camphor. Many other vendors list this as [2371-42-8], which is the racemate.
(S)-(+)-2-Methyl-exo-isoborneol
((1S)-exo-1,2,7,7-Tetramethylbicyclo[2.2.1]heptan-2-ol)
[68330-44-9] C11H20O FW 168.28
((1S)-exo-1,2,7,7-Tetramethylbicyclo[2.2.1]heptan-2-ol)
[68330-44-9] C11H20O FW 168.28
(+)-N-Methyl-D-malimide
((R)-2-Hydroxy-N-methylsuccinimide)
[131237-81-5] C5H7NO3 FW 129.11
((R)-2-Hydroxy-N-methylsuccinimide)
[131237-81-5] C5H7NO3 FW 129.11
(−)-N-Methyl-L-malimide
((S)-2-Hydroxy-N-methylsuccinimide)
[104612-35-3] C5H7NO3 FW 129.11
((S)-2-Hydroxy-N-methylsuccinimide)
[104612-35-3] C5H7NO3 FW 129.11
3-Methyl-3-oxetanemethanol p-toluenesulfonate
(3-Methyl-3-(toluenesulfonyloxymethyl)oxetane)
[99314-44-0] C12H16O4S FW 256.32
Useful for the preparation of methyl-2,6,7-trioxabicyclo[2.2.2]octane ortho esters (OBO esters) of carboxylic acids, which inhibits racemization α to the carboxylic acid during later synthesis steps. Organic Synthesis 79, 216-228 and references therin.
(3-Methyl-3-(toluenesulfonyloxymethyl)oxetane)
[99314-44-0] C12H16O4S FW 256.32
Useful for the preparation of methyl-2,6,7-trioxabicyclo[2.2.2]octane ortho esters (OBO esters) of carboxylic acids, which inhibits racemization α to the carboxylic acid during later synthesis steps. Organic Synthesis 79, 216-228 and references therin.
(R)-(−)-N-tBOC-2-Methylpiperidine, ≥98%, ≥98% e.e.
C11H21NO2 FW 199.29
C11H21NO2 FW 199.29
250
mg
27.00
1
g
75.00
5
g
255.00
250
mg
21.00
1
g
60.00
5
g
205.00
250
mg
25.00
1
g
70.00
5
g
240.00
1
g
65.00
5
g
225.00
25
g
750.00
1
g
85.00
5
g
295.00
25
g
975.00
