m
Cat. #
Product
Qty.
US $

(+)-D-Malic acid, ≥99%
((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
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

L-Malic anhydride trifluoroacetate
((S)-3-Trifluoroacetoxy-dihydro-2,5-furandione; (S)-2-Trifluoroacetoxysuccinic anhydride)
[99529-36-9]    C6H3F3O5    FW 212.08

(−)-D-Mandelic acid, ≥99%
((R)-α-Hydroxyphenylacetic acid)
[611-71-2]    C8H8O3    FW 152.15
25
g
25.00
100
g
72.00
500
g
245.00

(+)-L-Mandelic acid, ≥99%
((S)-α-Hydroxyphenylacetic acid)
[17199-29-0]    C8H8O3    FW 152.15
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.
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.
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)
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)
250
g
30.00
1
kg
90.00
5
kg
315.00

(+)-L-Methionine, ≥99%
[63-68-3]    C5H11NO2S    FW 149.21

N-CBZ-L-Methionine
[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
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

(S)-(+)-2-(Methoxymethyl)pyrrolidine
[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

Methyl (2S)-(−)-2-(hydroxydiphenylmethyl)-1-pyrrolidinecarboxylate
((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
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
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
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.
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
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
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
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.
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.
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
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.

(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

(+)-N-Methyl-D-malimide
((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

N-Methyl-p-nitro-L-phenylalanine , ≥98%
((S)-2-Amino-3-(4-nitrophenyl)propionic acid; N-Me-Phe(4-NO2)-OH)
[70663-55-7]    C10H12N2O4    FW 224.21
1
g
0.00

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.

(R)-(+)-2-Methyl-1-phenylpropanol, ≥98%, ≥98% e.e.
[14898-86-3]    C10H14O    FW 150.22    FP 188 °F

(S)-(−)-2-Methyl-1-phenylpropanol, ≥98%, ≥98% e.e.
[34857-28-8]    C10H14O    FW 150.22

(R)-1-N-tBoc-2-methylpiperazine, ≥98%
[170033-47-3]

(S)-1-N-tBoc-2-methylpiperazine, ≥98%
[169447-70-5]

(R)-4-N-tBoc-2-methylpiperazine, ≥98%
[163765-44-4]

(S)-4-N-tBoc-2-methylpiperazine, ≥98%
[147081-29-6]

(R)-(−)-N-tBOC-2-Methylpiperidine, ≥98%, ≥98% e.e.
[]    C11H21NO2    FW 199.29
250
mg
27.00
1
g
75.00
5
g
255.00

(S)-(+)-N-tBOC-2-Methylpiperidine, ≥98%, ≥98% e.e.
[183903-99-3]    C11H21NO2    FW 199.29    FP 215 ?F
250
mg
21.00
1
g
60.00
5
g
205.00

(R)-(−)-2-Methylpiperidine, ≥98%, ≥98% e.e.
[]    C6H13N    FW 99.17
250
mg
30.00
1
g
85.00
5
g
290.00

(S)-(+)-2-Methylpiperidine, ≥98%, ≥98% e.e.
[3197-42-0]    C6H13N    FW 99.17
250
mg
25.00
1
g
70.00
5
g
240.00

(R)-(−)-2-Methylpyrrolidine, ≥98%, ≥98% e.e.
[L-2-methylpyrrolidine]
[41720-98-3]    C5H11N    FW 85.15
1
g
65.00
5
g
225.00
25
g
750.00

(S)-(+)-2-Methylpyrrolidine, ≥98%, ≥98% e.e.
[D-2-Methylpyrrolidine]
[59335-84-1]    C5H11N    FW 85.15
1
g
85.00
5
g
295.00
25
g
975.00

(R)-1-Methyl-3-pyrrolidinol
[104641-60-3]    C5H11NO    FW 101.15

(S)-1-Methyl-3-pyrrolidinol
[104641-59-0]    C5H11NO    FW 101.15

(R)-(+)-1-[(1-Methyl-2-pyrrolidinyl)methyl]piperidine
[]    C11H22N2    FW 182.31

(S)-(−)-1-[(1-Methyl-2-pyrrolidinyl)methyl]piperidine
[84466-85-3]    C11H22N2    FW 182.31

(R)-(+)-Methyl p-tolyl sulfoxide
[1519-39-7]    C8H10OS    FW 154.23
500
mg
28.00
2.5
g
97.00
10
g
270.00

(S)-(−)-Methyl p-tolyl sulfoxide
[5056-07-5]    C8H10OS    FW 154.23
100
mg
21.00
500
mg
72.00
2.5
g
240.00

L-Mevalonolactone
((R)-β-Hydroxy-β-methyl-δ-valerolactone)
[]    C6H10O3    FW 130.14