Intermediate
You are here: Home » Products » Intermediate

Pharmaceutical intermediates

Shandong Loncom Pharmaceutical Co., Ltd. is a leading manufacturer of advanced intermediates for APIs, such as Resmetirom intermediate, Fezolinetant intermediate, Amenamevir intermediate. With extensive expertise in chemical synthesis and pharmaceutical production, we specializes in the development and production of 70+ types of high-quality pharmaceutical intermediates. These intermediates are critical components in the synthesis of a wide range of pharmaceutical products, ensuring the safety, efficacy, and consistency of the final APIs. 
NO. Application Intermediates Name CAS NO.

1

Fezolinetant

  1. (R)-3-Methylpiperazin-2-one

922178-61-8

2

Ethyl 3-methyl-1,2,4-thiadiazole-5-carboxylate

76162-56-6

3

3-Methyl-1,2,4-thiadiazole-5-carbohydrazide

1375066-73-1

4

(8R)-5,6,7,8-Tetrahydro-8-methyl-3-(3-methyl-1,2,4-thiadiazol-5-yl)-1,2,4-triazolo[4,3-a]pyrazine 

1429558-08-6

5

Gefapixant Citrate

4-Bromo-2- (propyl-2-yl) phenol eutectic

26307-50-6

6

5- [[4-methoxy-2- (propyl-2-yl) phenyl] oxy] pyrimidine-2,4-diamine

865304-71-8

7

5- [(2,4-diaminopyrimidin-5-yl) oxy] -2-methoxy-4- (propyl-2-yl) benzenesulfonamide

/

8

Vericiguat

5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide hydrochloride

1426309-48-9

9

5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile

1350653-26-7

10

(E)-2-(5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(phenyldiazenyl)pyrimidine-4,6-diamine

1350653-29-0

11

2-(5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo [3,4-b]pyridin-3-yl)pyrimidine-4,5,6-triamine

1350653-30-3

12

5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile

1350653-23-4

13

Osimertinib Mesylate

3-(2-chloropyrimidin-4-yl)-1-methyl-1H-indole

1032452-86-0

14

N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine

1421372-94-2

15

N1-(2-(dimethylamino)ethyl)-5-methoxy-N1-methyl-N4-(4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)-2-nitrobenzene-1,4-diamine

1421372-67-9

16

Elacestrant HCl

(R)-6-(2-amino-4-methoxyphenyl)-5,6,7,8-tetrahydronaphthalen-2-ol

722520-36-7

17

(R)-N-Ethyl-3-[4-(ethyl(2-(6-hydroxy-1,2,3,4-tetradronaphthalen-2-yl)-5-methoxyphenyl)amino)methyl]propionamide

/

18

Amenamevir

4-(1,2,4-oxadiazol-3-yl)aniline

59908-70-2

19

2H-Thiopyran-4-carboxamide, N-(2,6-dimethylphenyl)tetrahydro-, 1,1-dioxide

1798641-63-0

20

Resmetirom

3,5-Dichloro-4-((6-chloro-5-isopropylpyridazin-3-yl)oxy)aniline

920509-27-9

21

(Z)-ethyl (2-cyano-2-(2-(3,5-dichloro-4-((5-isopropyl-6-oxo-1,6-dihydropyridazin-3-yl)oxy)phenyl)hydrazono)acetyl)carbamate

920509-33-7

22

6-(4-amino-2,6-dichlorophenoxy)-4-isopropylpyridazin-3(2H)-one

920509-28-0

23

Linzagolix choline

5-[(2,3-difluoro-6-methoxyphenyl)methoxy]-2-fluoro-4-methoxyaniline

935287-59-5

24

4-[3-[5-[(2,3-twofluorine-6-methoxyphenyl)methoxy]-2-fluoro-4-methoxyphenyl]ureabase]thiophene-2,3-dimethyl2formicacid

1581731-16-9

25

3-[5-[(2,3-twofluorine-6-methoxyphenyl)methoxy]-2-fluoro-4-methoxyphenyl]-2,4-2-1,2,3,4-tetrahydrothiopheneoxygengenerationand[3,4-d]pyrimidine-5-formicacid

935283-04-8

26

Daridorexant Hydrochloride

(S)-1-[5-methoxy-2-(2H-1,2,3-triazol-2-yl)benzoyl]-2-methylpyrrolidine-2-carboxylicacidmethylester

/

27

(S)-1-[5-methoxy-2-(2H-1,2,3-triazol-2-yl)benzoyl]-2-methylpyrrolidine-2-carboxylicacid

/

28

(S)[2-[[6-[(tertbutoxycarbonyl)amino]-3-chloro-2-methylphenyl]carbamoyl]-2-methylpyrrolidin-1-yl][5-methoxy-2-(2H-1,2,3-triazol-2-yl)phenyl]ketone

/

29

(S)[2-(5-Chloro-4-methyl-1H-benzo[d]imidazol-2-yl)-2-methylpyrrolidin-1-yl][5-methoxy-2-(2H-1,2,3-triazol-2-yl)phenyl]ketone

1505484-82-1

30

Elagolix Sodium

Elagolix Sodium Compound IIIa Benzoate

/

31

1-[[2-Fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methylpyrimidine-2,4(1H,3H)-dione

1150560-54-5

32

(2-Fluoro-3-methoxyphenyl)boronic acid

352303-67-4

33

Ethyl 4-bromobutanoate

2969-81-5

34

1-[[2-Fluoro-6-(trifluoromethyl)phenyl]methyl]-5-iodo-6-methylpyrimidine-2,4(1H,3H)-dione

1150560-54-5

35

5-(2-Fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methylpyrimidine-2,4(1H,3H)-dione

1150560-59-0

36

Daprodustat

1,3-Dicyclohexylbarbituric acid

35824-91-0

37

Darolutamide

2-chloro-4-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)benzonitrile

1297537-35-9

38

2-chloro-4-(1H-pyrazol-5-yl)benzonitrile

1297537-37-1

39

(S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile

1297537-41-7

40

(S) -4- [1- (2-aminopropyl) -1H pyrazole-3-yl] -2-chlorobenzonitrile

949034-45-1

41

(S)-5-acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1H-pyrazole-3-carboxamide

1297537-33-7

42

4-Bromo-2-chlorobenzonitrile

154607-01-9

43

1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester

903550-26-5

44

N-(tert-Butoxycarbonyl)-L-alaninol

79069-13-9

45

N-[(2S)-1-[3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl]prop-2-yl]-5-acetyl-1H-pyrazole-3-carboxamide

1297538-32-9

46

5-Acetyl-1H-pyrazole-3-carboxylic acid

949034-45-1

47

N-[(2S)-1-[3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl]prop-2-yl]-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide

1297538-32-9

48

Topiroxostat

methyl 2-carbamoylpyridine-4-carboxylate

1379342-46-7

49

methyl 2-cyanoisonicotinate

94413-64-6

50

2-cyanoisonicotinohydrazide

135048-32-7

51

Methyl isonicotinate

2459-09-8

52

4-Cyanopyridine

100-48-1

53

Methyl 2-carbamoylpyridine-4-carboxylate

6937-3-7

54

Methyl 2-cyanopyridine-4-carboxylate

94413-64-6

55

2-Cyanopyridine-4-carboxylic acid hydrazide

/

56

2-Cyanopyridine-4-carboxylic acid (pyridine-4-ylmethyl)hydrazide

/

57

Sorafenib Tosylate

N-Methyl-4-chloro-2-pyridinecarboxamide

220000-87-3

58

p-Aminophenol

123-30-8

59

4-(4-Aminophenoxy)-N-methyl-2-pyridinecarboxamide

284462-37-9

60

4-[4-[3-[4-Chloro-3-(trifluoromethyl)phenyl]ureido]phenoxy]-N2-methylpyridine-2-carboxamide

284461-73-0

61

Relugolix

2-[(2,6-Difluorobenzyl)(isopropoxycarbonyl)amino]-4-[(dimethylamino)methyl]-5-(4-nitrophenyl)thiophene-3-carboxylate ethyl ester

2636079-27-9

62

2-[(2,6-Difluorobenzyl)(isopropoxycarbonyl)amino]-4-[(dimethylamino)methyl]-5-[4-(3-methoxyureido)phenyl]thiophene-3-carboxylate ethyl ester

/

63

6-Methoxypyridazine-3-amine

7252-84-8

64

2-[(2,6-Difluorobenzyl)(isopropoxycarbonyl)amino]-4-[(dimethylamino)methyl]-5-[4-(3-methoxyureido)phenyl]thiophene-3-carboxylic acid

 /

65

(2,6-Difluorobenzyl)[4-[(dimethylamino)methyl]-3-[(6-methoxypyridazin-3-yl)carbamoyl]-5-[4-(3-methoxyureido)phenyl]thiophen-2-yl]carbamate isopropyl ester

 /

66

Prucalopride Succinate

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

123654-26-2

67

1-(3-Methoxypropyl)-4-piperidinamine

179474-79-4

68

4-Amino-5-chloro-2,3-dihydro-N-[1-(3-methoxypropyl)-4-piperidinyl]benzofuran-7-carboxamide

179474-81-8

69

4-Amino-5-chloro-2,3-dihydro-N-[1-(3-methoxypropyl)-4-piperidinyl]benzofuran-7-carboxamide succinate

179474-85-2

70

Pazopanib HCl

1H-Indazole-3-ethanamine

6814-68-2

71

Perampanel

N-(2-Chloropyrimidin-4-YL)-N,2,3-trimethyl-2H-indazol-6-amine

444731-75-3

72

2-(Pyridin-2-yl)acetic acid hydrochloride

13115-43-0

73

Vortioxetine Hydrobromide

2-((2,4-DiMethylphenyl)thio)phenylaMine

1019453-85-0

74

1-Iodo-2,4-dimethylbenzene

4214-28-2

75

Bis(2-chloroethyl)amine hydrochloride

821-48-7

76

1-[2-(2,4-Dimethylphenylthio)phenyl]piperazine hydrochloride

960203-28-5

Name Size Update Download
Loncom Intermediate List.pdf 4.69MB 2026-01-22 Download
Shandong Loncom Pharmaceutical Co., Ltd is founded in 2012, located in Qihe Economic Development Zone, Shandong, China

QUICK LINKS

PRODUCT CATEGORY

Copyright © 2023 Shandong Loncom Pharmaceutical Co., Ltd. All Rights Reserved. Sitemap | Privacy Policy
Supported by leadong.com
Contact Us