Agrochemical impurities:

1. Tebuconazole impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

()-1-(4-Chlorophenyl)-4,4-dimethyl-3-(1H, 1,2,4-triazol-1-ylmethyl)pentan-3-ol, i.e. Tebuconazole

107534-96-3

02

1-(4-chlorophenyl)-4, 4-dimethyl-3-pentanone

66346-01-8

03

2-(2-(4-chlorophenyl) ethyl)-2-(1, 1-dimethylethyl)-oxirane

80443-63-6

04

2-(2-(4-chlorophenyl) ethyl)-3, 3 dimethyl-1, 2-butanediol

NA

05

()-1-phenyl-4,4-dimethyl-3-(1H, 1,2,4-triazol-1-ylmethyl) pentan-3-ol

NA

 

2.     Azoxystrobin impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

Azoxystrobin

131860-33-8

02

Methyl-2-[2-(6-methoxypyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate

NA

03

Methyl-2-[2-(1-methyl-6-oxypyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate

NA

04

Methyl-2-[2-(6-chloropyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate

NA

05

Methyl(Z)-2-{2-[6-(2-cyanophenoxy) pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate

143130-94-3

06

4,6-bis[2-(2-methoxy-1-methoxycarbonylvinyl) phenoxy] pyrimidine

NA

07

2,2'-(pyrimidine-4,6-diylbis(oxy)) dibenzonitrile

NA

 

 

3.     Propiconazole impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

Propiconazole

60207-90-1

02

2-(2,4-Dichlorophenyl)-2-methyl-4-propyl-1,3-dioxolan

83833-32-3

03

2,4-Dichloroacetophenone

937-20-2

04

2-Bromomethyl-2-(2,4-dichloro phenyl)-4-propyl-1,3-dioxalan

 

60207-89-8

05

2-Hydroxymethyl- 2-(2,4-dichlorophenyl)- 4-propyl-1,3-dioxolan

 

NA

06

2-dibromomethyl-2-(2,4-dichloro phenyl)-4-propyl-1,3-dioxalan

 

NA

07

4-(2-(2,4-Dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl-methyl)-4H-1,2,4-triazole

221132-58-7

 

4.     Cyproconazole

S. No

Chemical Name

Structure

CAS No.

01

2-(4-Chlorophenyl)-3-Cyclopropyl-1-(4H-1,2,4-triazol-4-yl)butan-2-ol

221132-58-7

 

5. Hexaconazole

S. No

Chemical Name

Structure

CAS No.

01

 

(RS)-2-(3, 4-dichlorophenyl)-1-(1H-1, 2, 4-triazol-1-yl) hexan-2-o1

87677-54-1

02

 

(RS)-2-(2, 5-dichlorophenyl)-1-(1H-1, 2, 4-triazol-1-yl) hexan-2-ol

NA

03

 

2-(2, 4-dichlorophenyl)-2-butyl oxirane

88374-07-6

 

6. Picoxystrobin.

S. No

Chemical Name

Structure

CAS No.

01

 

Methyl(E)-3-methoxy-2-{-2[2-oxo-6-(trifluoromethyl)pyridine-1-yl-methyl} phenyl acrylate

NA

02

 

 

Methyl(E)-3-{(6-trifluoromethyl)pyridine-2-yloxy}-2-{2-[6-(trifluoromethyl)pyridine-2-yloxymethyl]phenyl} acrylate

NA

 

 

7. Halosufuron methyl

S. No

Chemical Name

Structure

CAS No.

01

2-amino-4,6-dimethoxypyrimidine (Impurity-1)

36315-01-2

02

Methyl-3chloro-5 methoxycarbonylsulfamoyl-1-methylpyrazole-4-carboxylate (Impurity-2)

NA

03

Methyl-3-chloro-1-methyl-5-sulfamoylpyrazole-4-carboxylate(Impurity-3)

NA

04

3-chloro-5-(4,6-dimethoxypyrimidine-2-yl-carbomyl sulfamoyl)-1-methylpyrazole-4-carboxamide(Impurity-4)

NA

05

3-chloro-5-(4,6-dimethoxypyrimidin-2-ylcarbomyl sulfamoyl)-1-methylpyrazole-4-carboxylic acid(Impurity-5

NA

06

Methyl-5-(2-amino-4hydroxy-6-methoxypyrimidine-5-ylcarbonylsulfamoyl)-3-chloro-1-methylpyrazole-4-carboxylate(Impurity-6)

NA

07

1-(3,4-dichloro-1-methylpyrazole-5-sulfonyl)-3-(4,6-dimethoxypyrimidin-2-yl) urea(Impurity-7)

NA

 

8. Pyraclostrobin impurities

S. No

Chemical Name

Structure

CAS No.

01

Methyl N-(2-{[1-(4-chlorophenyl)-1H-pyrazol-3-yl] oxymethyl}phenyl)carbamdate

36315-01-2

02

N-(2{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl}phenyl}N,O-bis(methoxycarbonyl)hydroxylamine

NA

03

Methyl N-(2{[1-(4-chlorophenyl)-4-bromo-1H-pyrazol-3-yl]oxymethyl}phenyl) N-methoxycarbamate

NA

04

N,N-bis(2{{1-(4-chlorophenyl)-1-H-pyrazol-3-yl}Oxymethyl}phenyl)diazene N-oxide

NA

05

1-(4-chlorophenyl)-3-methoxy-1 H-pyrazol

NA

06

Methyl N-(2{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl}phenyl) N-hydroxy carbamate

NA

07

2{[1-4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl]phenylamine

NA

08

1-(4-chlorophenyl)-2-methyl-1,2-dihydro-pyrazol-3-one

 

09

1-(4-chlorophenyl)-1H-pyrazol-3-ol

 

10

Methyl N-(2-{[1-(4-chlorophenyl)-3-chloro-1H-pyrazol-3-yl]oxymethyl}phenyl) N-methoxy cabamate

 

 

9.     Diafenthiuron impurities

 

S.No.

Chemical Name

Structure

CAS No.

01

Diafenthiuron

80060-09-9

02

2,6-diisopropyl-4-phenoxy phenyl thiourea

135252-10-7

03

N-(2,6-diisopropyl-4-phenoxyphenyl)-O-methyl thiocarbamate

NA

04

6-amino-1-(2,6-diisopropyl-4-phenoxyphenyl)-4-[(2,6-diispropyl-4-phenoxyphenyl)-amino]1,2-dihydro-1,3,5-triazin-2-thion

NA

05

1,3- Bis(2,6-diisopropyl-4-phenoxyphenyl)-thiourea

NA

06

1-(2,6-diisopropyl-4-phenoxyphenyl)isothiocyanate

80058-93-1

 

10. Thiamethoxam impurities

S. No

Chemical Name

Structure

CAS No.

01

Thiamethoxam

153719-23-4

02

N-(2-chloro-thiazol-5-ylmethyl)-N-methyl-N-nitro-guanidine

205510-53-8

03

3-methyl-5-(2-phenylsulfon-thiazol-5-ylmethyl)-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine

NA

04

(4Z)-3-methyl-N-nitro-5-{[2-(phenylsulfanyl)-1,3-thiazol-5-yl]methyl}-1,3,5-oxadiazinan-4-imine

192439-46-6

05

3-(2-bromo-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine

NA

06

3-(2,4-dichloro-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine

NA

07

N-[3-(2-chloro-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene]-benzenesulfonamide

NA

 

 

 

11.Bifenthrin impurities

 

S. No

Chemical Name

Structure

CAS No.

01

Bifenthrin

82657-04-3

02

3-(2- chloro-3, 3, 3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylic acid (MTH acid)

72748-35-7

03

3-(2- chloro-3, 3, 3-trifluoroprop-1-enyl)-2,2-dimethyl cyclopropanecarboxylic acid

Anhydride(MTH acid anhydride)

NA

04

(2-methyl(1,1-biphenyl)-3-yl)methanol (Bifenthrin alcohol)

76350-90-8

05

 

 

N,N-diethyl 3-(2- chloro-3, 3, 3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxamide (N,N-diethyl amide)

 

 

NA

06

N-ethyl-3-(2- chloro-3, 3, 3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxamide

(N-Ethyl amide)

NA

07

3-(chloromethyl)-2-methyl (1,1-biphenyl)

84541-46-8

 

 

 

 

 

 

12. Tolfenpyrad impurities

 

S. No

Chemical Name

Structure

CAS No.

01

Tolfenpyrad

129558-76-5

02

3-Ethyl-1-methyl-N-[4-p-tolyloxy)-benzyl]pyrazole-5-carboxamide-4-(p-tolyloxy)benzamide

NA

03

4-Chloro-3-ethyl-1-methyl-N-(4-methoxybenzyl)pyrazole-5-carboxamide

NA

04

4-Chloro-3-ethyl-1-methyl-N-(4-(p-phenoxy)benzyl)pyrazole-5-carboxamide

05

4-Chloro-3-ethyl-1-methyl-N-[2-(p-tolyloxy)benzyl]pyrazole-5-carboxamide

NA

06

4-Chloro-3-ethyl-1-methyl-N-[2-(o-tolyloxy)benzyl]pyrazole-5-carboxamide

NA

07

4-Chloro-3-ethyl-1-methyl-N-[2-(m-tolyloxy)benzyl]pyrazole-5-carboxamide

NA

 

 

 

 

13. Profenofos impurities

 

S. No

Chemical Name

Structure

CAS No.

 

01

Profenofos Technical

41198-08-7

02

O-(4-bromo-2-chloro-phenyl)-O-ethyl-O-n-propyl-thiophosphate (BP-1)

NA

03

4-Bromo-2-chlorophenol (BP-2)

3964-56-5

04

O,O-diethyl-S-n-propylthiophospate (BP-5)

20195-06-6

05

O-(2-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate (BP-6)

38528-04-0

06

O-(2,4-dibromo-phenyl)-O-ethyl-S-n-propyl-thiophosphate (BP-7)

38524-44-6

07

O-(2,4-dibromo-6-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate (BP-8)

NA

08

O-(4-bromo-2-chloro-phenyl)-O,S-diethyl-thiophosphate (BP-9)

71093-61-3

09

O-(6-bromo-2-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate (BP-10)

NA

10

O-(4-bromo-2-chloro-phenyl)-O-n-propyl-S-n-propylthiophosphate (BP-11)

NA

11

O-(4-bromo-2-chloro-phenyl)-O-O-diethyl-thiophosphate (BP-12)

NA

12

O,O-bis-(4-bromo-2-chloro-phenyl)-S-n-propyl-thiophosphate (BP-16)

NA

13

2-Bromo-6-chlorophenol

2040-88-2

14. Malathion impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

Malathion Technical

121-75-5

02

Phosphorodithioic acid, O,O,S-trimethyl ester

2953-29-9

03

Phosphorothioic Acid, O,O,O-trimethyl ester

-

04

Diethyl 2-Mercaptosuccinate

 

23060-14-2

05

Tetraethyl Dithiosuccinate

-

06

tetraethyl thiodisuccinate

-

07

Dimethyl Malathion

3700-89-8

08

O,O-Dimethyl Phosphorothioate

 

1112-38-5

09

Isomalathion

3344-12-5

 

15. Lambdacyhalothrin Impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

Lambdacyhalothrin

9146508-6

02

Lamdacyhalothrin Diastereomeic isomer

NA-

03

(Z)-3-(2-chloro-3,3,3-trifluoropro-1-enyl)-2,2-dimethyl cyclopropane carboxylic acid

72748-35-7

04

α-cyano-3-phenoxybenzyl-3-(3,3,3-trifluoropro-1-enyl)-2,2-dimethylcyclopropane carboxylate

 

NA

05

 

 

3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoropro-1-enyl)-2,2-dimethyl cyclopropane carboxylate

 

 

 

NA

 

 

 

 

 

 

16. Chlorantraniliprole Impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

3-chloro-N-[4-chloro-2-methyl-6-[(methylamino)carbonylphenyl]-1-(3-chloro-2-pyridinyl) 1H-Pyrazole-5-carboxamide

 

NA

02

3-bromo-1-[5-bromo-3-chloro-2-pyridiny]-N-(4-chloro-2-methyl-6-[methylamino)carbonyl]phenyl) 1H-Pyrazole-5-carboxamide

NA-

03

3-bromo-N-[4-chloro-2-methyl-6-(methyloamino)carbonyl]phenyl]-1-(3-chloro-1-oxido-2-pyridinyl) 1H-Pyrazole-5-carboxamide

NA

04

2-[3-bromo-1(3-chloro-2-pyridinyl)-1-H-pyrazol-5-yl]-6-chloro-8-methyl-4H-3,1-Benzoxazin-4-one,

 

NA

05

 

 

3-bromo-1-(3-chloro-2-pyridinyl)-N-[2-methyl-6-[methylamino)carbonyl]phenyl] 1H-Pyrazole-5-carboxamide

 

 

 

NA

06

4H-3,1-benzoxazin-4-ylidene,2-[3-bromo-1-(chloro-2-pyridinyl)-1H-pyrazole-5-yl]-6-chloro-8-methyl-, methanamine

NA

07

3-bromo-1-(3-chloro-2-pyridinyl) 1H-Pyrazole-5-carboxyli acid,

NA

08

2- amino-5-chloro N,3-dimethyl Benzamide

NA

09

6-chloro-3,8-dimethyl2,4(1H,3H)-Quinazolinedione

 

NA

10

1H-Pyrazole-5-carboxamide,3-bromo-N-[3,4-dichloro-2-methyl-6-(methyloamino)carbonyl]phenyl]-1-(3-chloro-2-pyridinyl)

 

NA

11

Benzamide, 2[(methylsufonyl) amino]-5-chloro N,3-dimethyl

 

NA

12

2,6-dichloro-4-methyl-1H-pyrido(2,1-b)quinazolin-11-one

NA

13

4(3H)-Quinazolinone,2-[3-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazol-5-yl]6-chloro-3,8-dimethyl

NA

14

2H-Pyrazole-3-carboxamide,5-bromo-N-methyl

NA

15

3,3-oxybis[1,3-chloro-2-pyridinyl) N-[4-chloro-2-methyl-6-[methylamino)carbonyl]phenyl] 1H-Pyrazole-5-carboxamide

 

NA

 

17.Pyriproxyfen impurities :

 

S. No.

Chemical Name

Structure

CAS No.

01

 

(RS)-1-(4-phenoxyphenoxy)-2-propanol

 

NA

02

 

4-phenoxyphenyl 2-pyridalyl ether

 

NA-

03

 

4-phenoxyphenyl (RS)-1-methyl-2-(2-pyridyloxy) ethyl ether

NA

04

(RS)-1-methyl-2-(4-phenoxyphenoxy) ethyl (RS)-2-(2-pyridyloxy) propyl ether

NA

05

 

 

 

4-phenoxyphenyl (RS)-2-(4-chloro-2-pyridyloxy) propyl ether

 

 

NA

 

18.Acetamiprid impurities:

S. No.

Chemical Name

Structure

CAS No.

01

N1- Methyl-bis(2-chloro-5-methylpyridylamine)

NA

02

(E)- N1 (3-pyridylmethyl)-N2-cyano-N1-methyl acetamidine

NA-

03

(E)- N1 [(6-chloro-3-pyridyl)methyl]-N2-cyan oacetamidine

 

NA

04

(E)- N1 [(6-methoxy-3-pyridyl)methyl]-N2-cyano-N1-ethylacetamidine

 

NA

 

19.Bispyribac Sodium impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

Sodium 2,6-bis[(4,6-dimethoxypyrimidin-2yl)oxy] benzoate

i.e. Bispyribac sodium salt

125401-92-5

02

Sodium 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-hydroxybenzoate

NA

03

Sodium 2,4-bis[(4,6-dimethoxypyrimidin-2-yl)oxy] benzoate

NA

04

Sodium 4,6-dimethoxy-2-oxidopyrimidine

NA

 

20.  Pendimethalin impurities

 

S.No.

Chemical Name

Structure

CAS No.

01

3,4-Dimethyl-2,6-dinitro-N-pentan-3-yl-aniline, i.e. Pendimethalin

40487-42-1

02

1,2-Dimethyl-4-nitrobenzene

99-51-4

03

3,4-Dimethyl-2,6-dinitro-aniline

NA

04

N-Isopropyl-3,4-dimethyl-2,6-dinitroaniline

40318-47-6

05

N-(1-Methyl-propyl)-3,4-dimethyl-2,6-dinitroaniline

NA

06

N-(1-Ethyl-propyl)-3,4-dimethyl-6-nitroaniline

NA

07

N-(1-Ethylpropyl)-2,3-dimethyl-4,6-dinitroaniline

NA

08

N-Sec-butyl-3,4-dimethylaniline

NA

09

3,4-Dimethyl-N-(pentan-3-yl)aniline

56038-89-2

10

N-(1-Ethyl-propyl)-3,4-dimethyl-2-nitro-6-chloro-aniline

NA

 

21.Metribuzin impurities

 

S.No.

Chemical Name

Structure

CAS No.

01

(4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one i.e. Metribuzin

21087-64-9

02

Metribuzin, N-Methyl isomer

 

NA

03

Butylthion

NA

04

Metribuzin-methylamine

NA

 

21.  Clodinafop-propargyl impurities

 

S.No.

Chemical Name

Structure

CAS No.

01

2-Propynyl (R)-2-[4-(5-chloro-3-fluoro-2-pyridinyloxy) phenoxy]propionate,

i.e. Clodinafop-propargyl

105512-06-9

02

2-propynyl-2-[4-(3,5-difluoro-2-pyridinyloxy)-phemoxy]-propionate

NA

03

2,2-(phenylene-1,4-dioxy)-dipropionic acid di-2-propynyl ester

NA

04

2-Propynyl-2-[4-(5-chloro-2-fluro-3-pyridinyloxy)-phenoxy]-propionate

NA

05

2-[4-(5-chloro-3-fluoro-pyridin-2-yloxy)-phenoxy]-N,N-dimethyl propionate

NA

06

2-[4-(5-chloro-3-fluoro-pyridin-2-yloxy)-phenoxy] propionic acid

NA

07

2-propynyl-2-[4-(3,5-dichloro-2-pyridinyloxy)-phenoxy]-propionate

NA

08

2,2'-p-phenylenedioxy-di-propionic acid

99967-54-1

 

 

22. Quizalofop-Ethyl Impurities

 

S. No.

Chemical Name

Structure

CAS No.

01

1-Ethoxycarbonylethyl-2-{4-(6-chloroquinoxalin-2-yloxy)phenoxy}propionate

 

NA

02

6-chloro-2,3-bis{4-(1-ethoxycarbonylethyl-1-oxy)phenoxy}quinoxaline

 

NA