Ethyl vanillin 99.00% MIN|Vanillin 99.00% MIN|4-Hydroxybenzaldehyde 99.50% MIN|Pharmaceuticals & Agrochemicals Intermediates |Special Chemicals--HUNAN ASTAR BIO-CHEMICAL TECHNOLOGY CO., LTD.

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Custom Synthesis Chemicals: according to Customers’ requirement

ProductID	Product	CAS#	MF/MW	Structure
AST-FK-009	ethyl 6-(trifluoromethyl)-1H-indazole-3-carboxylate	[1053656-54-4]	C₁₁H₉F₃N₂O₂ 258.2
AST-FK-010	tert-butyl 3-amino-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate	[952182-06-8]	C₁₀H₁₈N₄O₂ 226.28
AST-FK-011	tert-butyl 4-chloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate	[1053656-57-7]	C₁₂H₁₆ClN₃O₂ 269.73
AST-FK-012	ethyl 5-chloro-1H-pyrrolo[3,2-b]pyridine-2-carboxylate	[1053656-57-7]	C₁₀H₉ClN₂O₂ 224.64
AST-FK-013	5,7-dichloro-7aH-indole	[4792-72-7]	C₈H₅Cl₂N 186.04
AST-FK-015	ethyl 5,7-dichloro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylate	[1053656-63-5]	C₈H₆Cl₂N₄O₂ 261.06
AST-FK-016	4-chloro-6-ethylthieno[2,3-d]pyrimidine	[81136-42-7]	C8H7ClN2S 198.67
AST-FK-017	5-tert-butyl 1-ethyl 3-amino-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-1,5-dicarboxylate	[1053656-67-9]	C₁₃H₂₂N₄O₄ 298.34
AST-FK-019	7-bromobenzo[d]thiazole-2-thiol	[908355-83-9]	C₇H₄BrNS₂ 246.15
AST-FK-020	7-chlorothiazolo[4,5-c]pyridine-2-thiol	[908355-84-0]	C₆H₃ClN₂S₂ 202.68
AST-FK-021	3-amino-7-chloro-3,4-dihydroquinolin-2(1H)-one	[56433-13-7]	C₉H₉ClN₂O 196.63
AST-FK-022	tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate	[398491-61-7]	C₁₂H₂₀N₄O₂ 252.31
AST-FK-023	tert-butyl 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinolin-2(1H)-yl)acetate	[949922-33-2]	C₂₁H₃₂BNO₄ 373.29
AST-FK-024	tert-butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate	[893566-72-8]	C₂₀H₃₀BNO₄ 359.27
AST-FK-025	4-chloro-2-(methylthio)pyrazolo[1,5-a][1,3,5]triazine	[54346-19-9]	C₆H₅ClN₄S 200.65
AST-FK-026	6-chloro-[1,2,4]triazolo[1,5-b]pyridazine-2-carboxylic acid	[215530-62-4]	C₆H₃ClN₄O₂ 198.57
AST-FK-028	6-chloropyrazolo[1,5-a]pyrimidine-2-carboxylic acid	[ 914206-75-0]	C₇H₄ClN₃O₂ 197.58
AST-FK-029	methyl 4-chloropyrrolo[1,2-f][1,2,4]triazine-6-carboxylate	[1005196-61-1]	C₈H₆ClN₃O₂ 211.61
AST-FK-030	4-chloro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid	[1016241-80-7]	C₇H₄ClN₃O₂ 197.6
AST-FK-031	4-fluoro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid	[1016241-81-8]	C₇H₄FN₃O₂ 181.1
AST-FK-033	4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid	[186519-92-6]	C₇H₄ClN₃O₂ 197.6
AST-FK-035	7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid	[1016241-64-7]	C₇H₅N₃O₂ 163.1
AST-FK-036	7-(trifluoromethyl)quinoline-3-carboxylic acid	[71082-51-4]	C₁₁H₆F₃NO₂ 241.17
AST-FK-037	6-chloro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid	[915140-96-4]	C₈H₅ClN₂O₂ 196.6
AST-FK-038	methyl 4-chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylate	[--]	C₉H₇ClN₂O₂ 210.6
AST-FK-039	5-fluoro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid	[920978-94-5]	C₈H₅FN₂O₂ 180.1
AST-FK-040	2-fluoro-5H-pyrrolo[3,2-b]pyrazine-6-carboxylic acid	[1016241-84-1]	C₇H₄FN₃O₂ 181.1
AST-FK-042	4,6-dichloro-7H-pyrrolo[2,3-d]pyrimidine	[97337-32-1]	C₆H₃Cl₂N₃ 188
AST-FK-043	6-bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidine	[784150-41-0]	C₆H₃BrClN₃ 232.5
AST-FK-044	4-chloro-6-iodo-7H-pyrrolo[2,3-d]pyrimidine	[876343-10-1]	C₆H₃ClIN₃ 279.5
AST-FK-045	5-chloro-1H-imidazo[4,5-b]pyridine-2-carboxylic acid	[933750-74-4]	C₇H₄ClN₃O₂ 197.6
AST-FK-046	ethyl 6-chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylate	[287384-84-3]	C₁₀H₉ClN₂O₂ 224.6
AST-FK-047	ethyl 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate	[144927-57-1]	C₉H₈ClN₃O₂ 225.6
AST-FK-048	6-chloro-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid	[800401-54-1]	C₈H₅ClN₂O₂ 196.6
AST-FK-049	4-chloro-7H-pyrrolo[2,3-d]pyrimidin-2-amine	[84955-31-7]	C₆H₅ClN₄ 168.6
AST-FK-050	2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine	[90213-66-4]	C₆H₃Cl₂N₃ 188
AST-FK-051	6-chloro-7H-pyrrolo[2,3-d]pyrimidine	[90994-17-5]	C₆H₄ClN₃ 153.6
AST-FK-052	4-bromo-7H-pyrrolo[2,3-d]pyrimidine	[916213-53-1]	C₆H₄BrN₃ 198
AST-FK-053	methyl 5-chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylate	[952182-19-3]	C₉H₇ClN₂O₂ 210.6
AST-FK-054	5-bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidine	[22276-95-5]	C₆H₃BrClN₃ 232.5