Company Profile
Porta Ltd., established in 1994, became important supplier of specialties to chemical, pharmaceutical, cosmetic and food industries. Activities of Porta Ltd. are oriented mainly towards representation of foreign companies and distribution of their products on the Czech market. Our web pages are, therefore, focusing on our Czech customers first of all. On the other hand our company is the exporting arm of Czech customs manufacturing and toll synthesis companies. You will certainly appreciate our general product list "Custom Syntheses and Chemical Specialties" but other non-listed items can be checked.
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| Product Name | Synonyms | CAS No. | Grate/Content | Operate |
|---|---|---|---|---|
(E)-1,4-Dibromobut-2-ene |
2-Butene,1,4-dibromo-,(2E)-;2-Butene,1,4-dibromo-,(E)-;2-Butene,1,4-dibromo-,trans-;(2E)-1,4-Dibromo-2-butene;trans-1,4-Dibromo-2-butene;1,4-Dibromo-trans-2-butene;1,4-Dibromo-(E)-2-butene;(E)-1,4-Dibromo-2-butene;1,4-Dibromo-2-(E)-butene;(E)-1,4-Dibromo-2-butene;(2E)-1,4-Dibromobut-2-ene |
821-06-7 | Inquiry | |
1,3-Acetonedicarboxylic acid |
Pentanedioic acid,3-oxo-;Glutaric acid,3-oxo-;Glutaric acid,β-oxo-;3-Oxopentanedioic acid;s-Acetonedicarboxylic acid;β-Ketoglutaric acid;3-Oxoglutaric acid;Acetone-1,3-dicarboxylic acid;1,3-Dicarboxyacetone;β-Oxoglutaric acid;3-Ketoglutaric acid |
542-05-2 | Inquiry | |
1-Acetyl-2-phenylhydrazine |
Acetic acid,2-phenylhydrazide;1-Acetyl-2-phenylhydrazine;APH;Hydracetin;Pyrodin;Pyrodine;Acetylphenylhydrazine;β-Acetylphenylhydrazine;N-Acetyl-N′-phenylhydrazine;N′-Phenylacethydrazide;1-Phenyl-2-acetylhydrazine;Acetic acid phenylhydrazone;NSC 2064;NSC 229032;NSC 2847;N-(Phenylamino)acetamide;N′-Phenylacetohydrazide |
114-83-0 | Inquiry | |
2,3,6-Trichloroquinoxaline |
Quinoxaline,2,3,6-trichloro-;2,3,6-Trichloroquinoxaline;NSC 203052 |
2958-87-4 | Inquiry | |
2,4,6-Tri-tert-butylphenol |
Phenol,2,4,6-tris(1,1-dimethylethyl)-;Phenol,2,4,6-tri-tert-butyl-;2,4,6-Tris(1,1-dimethylethyl)phenol;2,4,6-Tri-tert-butylphenol;P 23;Alkofen B;2,4,6-Tri-tert-butyl-1-hydroxybenzene;TM 02;2,4,6-Tris(tert-butyl)phenol;Voidox;Tri-tert-butylphenol;P 23 (phenol);NSC 14459;2,4,6-Tri-t-butylphenol;Antioxidant 333;Antioxidant Q 46;2,4,6-Tritert-butylphenol;1333-60-4;11100-56-4;19879-87-9;50356-20-2;53320-88-0 |
732-26-3 | Inquiry | |
2,4,6-Trimethoxybenzoic acid |
Benzoic acid,2,4,6-trimethoxy-;2,4,6-Trimethoxybenzoic acid |
570-02-5 | Inquiry | |
2,4,6-Trimethylbenzyl alcohol |
Benzenemethanol,2,4,6-trimethyl-;Benzyl alcohol,2,4,6-trimethyl-;2,4,6-Trimethylbenzenemethanol;Mesitylcarbinol;2,4,6-Trimethylbenzyl alcohol;Mesitylmethanol;(2,4,6-Trimethylphenyl)methanol;214695-11-1 |
4170-90-5 | Inquiry | |
2-Acetyl-7-methoxybenzofuran |
Ethanone,1-(7-methoxy-2-benzofuranyl)-;1-(7-Methoxy-2-benzofuranyl)ethanone;2-Acetyl-7-methoxybenzofuran;7-Methoxy-2-benzofuranyl methyl ketone;2-Acetyl-7-methoxybenzo[b]furan;1-(7-Methoxybenzofuran-2-yl)ethanone;1-(7-Methoxy-1-benzofuran-2-yl)ethan-1-one;1-(7-Methoxy-1-benzofuran-2-yl)ethanone |
43071-52-9 | Inquiry | |
2-Amino-1,3,4-thiadiazole |
1,3,4-Thiadiazol-2-amine;1,3,4-Thiadiazole,2-amino-;2-Amino-1,3,4-thiadiazole;Aminothiadiazole;NSC 4728;TF 128;2-Aminothiadiazole;1,3,4-Thiadiazole-2-amine;5-Amino-1,3,4-thiadiazole;1,3,4-Thiadiazol-2-ylamine;2-Amine-1,3,4-thiadiazole;37184-61-5 |
4005-51-0 | Inquiry | |
2-Amino-1,3-propanediol |
1,3-Propanediol,2-amino-;2-Amino-1,3-propanediol;Serinol;1,3-Dihydroxyisopropylamine;2-Aminoglycerol;1,3-Dihydroxy-2-propylamine;2-Amino-1,3-dihydroxypropane;2-Hydroxy-1-(hydroxymethyl)ethylamine;NSC 93746;2-Aminopropane-1,3-diol;1,3-Dihydroxypropan-2-amine;98923-20-7;126127-30-8;92533-31-8 |
534-03-2 | Inquiry | |
2-Amino-3-chlorobenzoic acid |
Benzoic acid,2-amino-3-chloro-;Anthranilic acid,3-chloro-;2-Amino-3-chlorobenzoic acid;3-Chloroanthranilic acid;3-Chloro-2-aminobenzoic acid;NSC 20671 |
6388-47-2 | Inquiry | |
2-Naphthalenecarboxylicacid, 6-amino- |
6-AMINO-2-NAPHTHOIC ACID;2-Naphthalenecarboxylicacid,6-amino-(9CI);6-AMINO-2-NAPHTHOIC ACID 90%;6-Amino-2-naphthalenecarboxylic acid;6-Amino-2-naphthoic acid, tech;6-Aminonaphthalene-2-carboxylic acid, 6-Amino-2-carboxynaphthalene;6-AMino-2-naphthoic acid, 90% 5GR |
116668-47-4 | Inquiry | |
2-Undecanone |
2-Undecanone;Methyl nonyl ketone;Methyl n-nonyl ketone;Nonyl methyl ketone;2-Hendecanone;NSC 4028;BioUD 30;BioUD;BioUD 8;Mostique EGX 101 |
112-12-9 | Inquiry | |
3,4,5-Trimethoxybenzoic acid |
Benzoic acid,3,4,5-trimethoxy-;3,4,5-Trimethoxybenzoic acid;Eudesmic acid;Gallic acid trimethyl ether;Tri-O-methylgallic acid;Trimethylgallic acid;NSC 2525;1195674-42-0 |
118-41-2 | Inquiry | |
3-Amino-2-naphthoic acid |
2-Naphthalenecarboxylic acid,3-amino-;2-Naphthoic acid,3-amino-;3-Amino-2-naphthalenecarboxylic acid;3-Amino-2-naphthoic acid;2-Amino-3-naphthoic acid;2-Amino-3-carboxynaphthalene;β-Naphthylamine-3-carboxylic acid;2-Aminonaphthalene-3-carboxylic acid;NSC 37061 |
5959-52-4 | Inquiry | |
3-Amino-4-methoxybenzoic acid |
Benzoic acid,3-amino-4-methoxy-;p-Anisic acid,3-amino-;3-Amino-4-methoxybenzoic acid;4-Methoxy-3-aminobenzoic acid;2-Anisidine-5-benzoic acid |
2840-26-8 | Inquiry | |
3-Amino-4-methylbenzoic acid |
Benzoic acid,3-amino-4-methyl-;p-Toluic acid,3-amino-;3-Amino-4-methylbenzoic acid;2-Toluidine-4-carboxylic acid;4-Methyl-3-aminobenzoic acid;NSC 127033;NSC 597 |
2458-12-0 | Inquiry | |
3-Bromo-2-methylaniline |
Benzenamine,3-bromo-2-methyl-;3-Bromo-2-methylbenzenamine;2-Amino-6-bromotoluene;3-Bromo-2-methylaniline;(3-Bromo-2-methylphenyl)amine;2-Methyl-3-bromoaniline;1-Bromo-2-methyl-3-aminobenzene |
55289-36-6 | Inquiry | |
4-Aminobenzonitrile |
Benzonitrile,4-amino-;Benzonitrile,p-amino-;4-Aminobenzonitrile;4-Cyanoaniline;1-Amino-4-cyanobenzene;p-Aminobenzonitrile;p-Cyanoaniline;4-Cyanobenzenamine;4-Aminobenzenenitrile;4-Cyanophenylamine;NSC 7625;4-Cyanobenzeneamine;p-Cyanophenylamine;4-Aminophenylnitrile |
873-74-5 | Inquiry | |
4-Aminothiobenzamide |
Benzenecarbothioamide,4-amino-;Benzamide,p-aminothio-;4-Aminobenzenecarbothioamide;p-Aminobenzothiamide;4-Aminothiobenzamide;NSC 18337 |
4714-67-4 | Inquiry |
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