Sree Syneric Lab

Synthesis and Specialty Chemicals

We offer a broad spectrum of custom synthesis chemicals, specialty organics intermediates for pharmaceuticals, biotechnology and other specialty market. Available in excellent packaging, our chemicals are known for their quality, purity, efficiency and safety. We also undertake custom development of the chemicals to meet the varying requirement of our clients.

Isothiocyanates
Isocyanate
Esters
Carboxylic Acid
Amide/Thioamide
Thiols & Thiophenols

Witting Yields
Sulfonyl Chlorides
Halogenated Alkanes & Aromatics
Acetylenic Compounds
New Pyridine Molecules
Anticancer Molecules

Isothiocyanates
  Isothiocyanates
Isothiocyanates act by inhibition of cell proliferation and induction of apoptosis. The isothiocyanates with the stongest anticancer effects are phenylethylisothiocyanate, benzylisothiocyanate and 3-phenylpropylisothiocyanate. 

It help to prevent lung cancer and esophageal cancer. Isothiocyanates can also lower the risk of other cancers, including gastrointestinal cancer.


SL.NO. CAS NO. NAME OF THE PRODUCTS
1 139768-71-1 4-Benzyloxyphenyl isothiocyanate
2 33904-04-0 3,4-Dimethoxyphenyl isothiocyanate
3 2131-63-7 3-Carboxyphenyl isothiocyanate
4 3694-45-9 4-Chlorobenzyl isothiocyanate
5 3694-57-3 4-Methoxybenzyl isothiocyanate
6 2627-27-2 3-Phenylpropyl isothiocyanate
7 404-72-8 3-Fluorophenyl isothiocyanate
8 3529-82-6 3-Nitrophenyl isothiocyanate
9 590-42-1 tert-Butyl isothiocyanate
10 23165-46-0 2,4,5-Trichlorophenyl isothiocyanate
11 33522-03-1 Cyclopentyl isothiocyanate
12 127142-66-9 4-Chloro-3-nitrophenyl isothiocyanate
13 22134-07-2 2,4,6-Trichlorophenyl isothiocyanate
14 36176-31-5 2-Isopropylphenyl isothiocyanate
15 19241-37-3 3-Chloro-4-methylphenyl isothiocyanate
16 40532-06-7 2,5-Dimethoxyphenyl isothiocyanate
17 4426-83-9 n-Heptyl isothiocyanate
18 7612-96-6 4-Phenylazophenyl isothiocyanate
19 18967-42-5 3,4-Dichlorobenzyl isothiocyanate
20 23165-64-2 2-Chloro-4-nitrophenyl isthiocyanate

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Isocyanate
  Isocyanate
Isocyanate is the functional group of atoms (1 nitrogen, 1 carbon, 1 oxygen). An isocyanate may have more than one isocyanate group.

The isocyanate group reacts with the hydroxyl functional group to form a urethane linkage. If a diisocyanate is reacted with a compound containing two or more hydroxyl groups (a polyol), long polymer chains are formed, known as polyurethanes.


SL.NO. CAS NO. NAME OF THE PRODUCTS
1 207974-15-0 1-(4-Bromophenyl)ethyl isocyanate
2 4461-33-0 Benzoyl isocyanate
3 5769-15-3 4-Chlorobenzenesulphonyl isocyanate
4 14649-03-7 (S)-(-)-1-Phenylethyl isocyanate
5 23138-58-1 3-Ethylphenyl isocyanate
6 60385-06-0 4-Methoxy-2-methylphenyl isocyanate
7 23138-50-3 4-Ethylphenyl isocyanate
8 1632-84-4 4-(Methylthio)phenyl isocyanate
9 1592-00-3 2-Bromophenyl isocyanate

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Esters
  Esters
Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl or ethyl, or one containing a benzene ring like phenyl.


SL.NO. CAS NO. NAME OF THE PRODUCTS
1 5619-07-08 DL-Phenylalanine methyl ester hydrochloride
2 13515-97-4 DL-Alanine methyl ester hydrochloride
3 53064-41-8 Ethyl 3-ethyl-5-methyl-4-isoxazolecarboxylate
4 7389-87-9 L-Histidine methyl ester dihydrochloride
5 4630-80-2 Methyl cyclopentanecarboxylate
6 6937-16-2 Ethyl 4-aminobutyrate hydrochloride
7 3007-97-4 Ethyl 1-naphthoate
8 22409-91-2 Ethyl 3-phenoxypropionate
9 35356-70-8 Methyl 2-acetamidoacrylate
10 20986-40-7 Ethyl 5-bromonicotinate
11 2905-69-3 Methyl 2,5-dichlorobenzoate
12 145129-54-0 Methyl 2,5-dichlorothiophene-3-carboxylate
13 371-26-6 Ethyl 4,4,4-trifluorobutyrate
14 2444-19-1 4-Hydroxyphenyl benzoate
15 7335-27-5 Ethyl 4-chlorobenzoate
16 3154-51-6 N-Formylglycine ethyl ester
17 000-00-0 Ethyl 3,5-dimethylphenylacetate
18 2216-94-6 Ethyl phenylpropiolate
19 15862-72-3 Ethyl pipecolinate
20 7517-19-3 L-Leucine methyl ester hydrochloride

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Carboxylic Acid
  Carboxylic Acid
Carboxylic acids are organic acids characterized by the presence of a carboxyl group and are proton donors. Salts and anions of carboxylic acids are called carboxylates.

The simplest series of carboxylic acids are the alkanoic acids, R-COOH, where R is a hydrogen or an alkyl group. Compounds may also have two or more carboxylic acid groups per molecule.

SL.NO. CAS NO. NAME OF THE PRODUCTS
1 555-68-0 3-Nitrocinnamic acid
2 90-50-6 3,4,5-Trimethoxycinnamic acid
3 1615-02-7 4-Chlorocinnamic acid
4 619-89-6 4-Nitrocinnamic acid
5 612-41-9 2-Nitrocinnamic acid
6 6972-61-8 2,4-Dimethoxycinnamic acid
7 98386-81-3 2-(Trifluoromethyl)cinnamic acid
8 458-46-8 3-Fluorocinnamic acid
9 5345-89-1 2,6-Dichlorocinnamic acid
10 22014-01-3 3,5-Di-tert-butyl-4-hydroxycinnamic acid
11 1202-39-7 3,4-Dichlorocinnamic acid
12 20595-45-3 2,4-Dichlorocinnamic acid
13 101-10-0 2-(3-Chlorophenoxy)propionic acid
14 93-65-2 2-(4-Chloro-2-methylphenoxy)propionic acid
15 531-81-7 Coumarin-3-carboxylic acid
16 609-85-8 2-Amino-3,5-dibromobenzoic acid
17 1878-85-9 2-Methoxyphenoxyacetic acid
18 11/4/6324 2-Hydroxyphenoxyacetic acid
19 36342-07-1 N-n-Propylmaleamic acid
20 7170-38-9 3-Phenoxypropionic acid

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Amide/Thioamide
  Amide/Thioamide
Thioamide is a functional group with the general structure R-CS-NR'R, where R, R', and R are organic groups. They are analogous to amides except that they exhibit greater multiple bond character between the C-N bond. One of the best known thioamides is thioacetamide, which is used as a source of the sulfide ion and is a building block in heterocyclic chemistry.

They are typically prepared by treating amides with phosphorus sulfides such as phosphorus pentasulfide and, in more specialized applications.These are also a class of drugs which are used to control thyrotoxicosis.

SL.NO. CAS NO. NAME OF THE PRODUCTS
1 41513-78-4 N-(2-Carboxyphenyl) phthalimide
2 883-44-3 N-(3-Hydroxypropyl) phthalimide
3 4358-86-5 DL-Mandelamide
4 3815-20-1 4-Biphenylcarboxamide
5 701-34-8 4-Bromobenzenesulphonamide
6 76620-00-3 N-(4-Ethylphenyl)maleimide
7 5332-26-3 N-(Bromomethyl)phthalimide
8 2439-85-2 N-Bromophthalimide
9 7355-58-0 N-(2-Chloroethyl)acetamide
10 3485-84-5 N-Vinylphthalimide

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Thiols & Thiophenols
  Thiols & Thiophenols
In organic chemistry, a thiol is a compound that contains the functional group composed of a sulfur atom and a hydrogen atom (-SH). Being the sulfur analogue of an alcohol group (-OH), this functional group is referred to either as a thiol group or a sulfhydryl group. More traditionally, thiols are often referred to as mercaptans.

Thiophenols also describes a class of compounds formally derived from thiophenol itself. All have a sulfhydryl group (-SH) covalently bonded to an aromatic ring. The organosulfur ligand in medicine merthiolate is a thiophenol.


SL.NO. CAS NO. NAME OF THE PRODUCTS
1 5335-87-5 Bis(4-methoxyphenyl) disulphide
2 1191-67-9 1,10-Decanedithiol
3 2373-51-5 Chloromethyl methyl sulphide
4 36480-40-7 3,4-Dichlorobenzyl mercaptan
5 71501-40-1 4-Chlorobenzyl 2-hydroxyethyl sulphide
6 3877-15-4 Methyl n-Propyl sulphide
7 14092-00-3 2 - Methylbenzyl mercaptan
8 1073-29-6 (2-Hydroxy)thioanisole
9 623-13-2 Methyl p-tolyl sulphide
10 104-96-1 4-(Methylthio)aniline
11 825-83-2 4-(Trifluoromethyl)thiophenol
12 7217-59-6 2-Methoxythiophenol
13 97936-43-1 2- (Methylthio) nicotinyl chloride
14 126213-50-1 3,4- ETHYLENEDIOXY THIOPHENE(EDOT)

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Witting Yields
  Witting Yields
We are providing a variety of witting yields which belong to the family of triphenylphosphonium. Some of the products provided by us in this category are:

SL.NO. CAS NO. NAME OF THE PRODUCTS
1 54110-96-2 4-Ethoxycarbonyl butyltriphenylphosphonium Br
2 2378-86-1 (4-Methylbenzyl)triphenylphosphonium bromide
3 2767-70-6 (4-Nitrobenzyl)triphenylphosphonium bromide
4 15546-42-6 Tetramethylenebis(triphenylphosphonium bromide)
5 7253-07-8 (9-Fluorenyl)triphenylphosphonium bromide
6 23308-83-0 (2-Nitrobenzyl)triphenylphosphonium bromide monohydrate
7 1530-45-6 (Ethoxycarbonylmethyl)triphenylphosphonium bromide
8 63368-36-5 (2-Methylbenzyl)triphenylphosphonium chloride
9 1253-46-9 (4-Methoxycarbonylbenzyl)triphenylphosphonium bromide
10 3462-95-1 (4-Fluorobenzyl)triphenylphosphonium chloride
11 7333-63-3 (4-Bromobutyl)triphenylphosphonium bromide
12 1530-39-8 (4-Chlorobenzyl)triphenylphosphonium chloride
13 5197-95-5 Benzyltriethylammonium bromide
14 70340-04-4 2-Hydroxybenzyl triphenylphosphonium bromide
15 23277-00-1 1- Naphthyl methyltriphenyl phosphonium chloride

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Sulfonyl Chlorides
  Sulfonyl Chlorides
Sulfonyl chlorides are a class of organic compounds with the general formula R-SO2-Cl. These compounds react readily with nucleophiles (like alcohols, amines etc.).


SL.NO. CAS NO. NAME OF THE PRODUCTS
1 15084-51-2 4-tert-Butylbenzenesulphonyl chloride
2 88-49-3 4-Chloro-2,5-dimethylbenzenesulphonyl chloride
3 23095-31-0 3,4-Dimethoxybenzenesulphonyl chloride
4 52499-94-2 Pentamethylbenzenesulphonyl chloride

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Halogenated Alkanes & Aromatics
  Halogenated Alkanes & Aromatics
We are providing a range of Halogenated Alkanes & Aromatics wich are listed below:

SL.NO. CAS NO. NAME OF THE PRODUCTS
1 6940-76-7 1-Chloro-3-iodopropane- stab. with copper wire
2 628-77-3 1,5-Di iodopentane
3 998-93-6 4-Bromoheptane
4 628-77-3 1,5-Di iodopentane
5 29898-32-6 2,4-Dichloro-1-iodobenzene
6 615-43-0 2-Iodoaniline
7 29682-39-1 1-Bromo-2chloro-4-nitrobenzene
8 589-87-7 1-Bromo-4-Iodobenzene
9 645-00-1 1-Iodo-3-nitrobenzene

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Acetylenic Compounds
  Acetylenic Compounds
Acetylenic compounds as key intermediates in heterocyclic synthesis: a route to functionalized naphtho[2,3-h]quinoline-7,12-diones.


SL.NO. CAS NO. NAME OF THE PRODUCTS.
1 928-90-5 5-Hexyn-1-ol
2 693-02-7 2-Hexyne
3 764-35-2 2-Hexyne
4 928-49-4 3-Hexyne
5 4/5/5390 4-Pentyn-1-ol
6 628-71-7 1-Heptyne
7 1119-65-9 2-Heptyne
8 2586-89-2 3-Heptyne
9 20109-09-5 1-(Phenylethynyl) cyclohexanol
10 4819-69-6 N(4-Chloro-2-butynyl)phthalimide

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New Pyridine Molecules
  New Pyridine Molecules
SL.NO. CAS NO. NAME OF THE PRODUCTS.
1 223463-13-6 5-Bromo-2-iodopyridine
2 88139-91-7 5-Bromopyridine-2-methanol
3 97483-77-7 5-Bromo-2-cyanopyridine
4 31181-90-5 5-Bromopyridine-2-carboxaldehyde
5 30766-11-1 5-Bromopyridine-2-carboxylic acid

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Anticancer Molecules
  Anticancer Molecules
A number of natural products, with diverse chemical structures, have been isolated as anticancer agents. Several potential lead molecules such as camptothecin, vincristine, vinblastine, taxol, podophyllotoxin, combretastatins, etc. have been isolated from plants and many of them have been modified to yield better analogues for activity, toxicity or solubility.


SL.NO. CAS NO. NAME OF THE PRODUCTS.
1 184475-35-2 Geftinib
2 183321-74-6 Erlotinib

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