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-098	6-bromo-4-chlorothieno[3,2-d]pyrimidine	[225385-03-5]	C₆H₂BrClN₂S 249.5
AST-FK-099	4-chloro-2-(methylthio)thieno[3,2-d]pyrimidine	[176530-47-5]	C₇H₅ClN₂S₂ 216.7
AST-FK-100	2-chloro-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one	[335654-08-5]	C₆H₄ClN₃O 169.6
AST-FK-101	4-chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one	[346599-62-0]	C₇H₅ClN₂O 168.6
AST-FK-102	6-chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one	[220896-14-0]	C₇H₅ClN₂O 168.6
AST-FK-103	5-bromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one	[183208-34-6]	C₇H₅BrN₂O 213
AST-FK-105	2-chloro-8-(methylthio)-7H-purine	[89581-80-6]	C₆H₅ClN₄S 200.6
AST-FK-106	4-chloropyrido[2,3-d]pyrimidine	[28732-79-8]	C₇H₄ClN₃ 165.6
AST-FK-107	5-chloro-1H-pyrrolo[2,3-c]pyridin-2(3H)-one	[1000342-80-2]	C₇H₅ClN₂O 168.6
AST-FK-108	4-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine		C₇H₈ClN₃ 169.61
AST-FK-109	5-tert-butyl 2-methyl 6,7-dihydrooxazolo[5,4-c]pyridine-2,5(4H)-dicarboxylate	[259809-74-0]	C₁₃H₁₈N₂O₅ 282.29
AST-FK-110	6-benzyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2(1H)-one	[601514-58-3]	C₁₅H₁₆N₂O 240.3
AST-FK-111	5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine	[157327-49-6]	C₇H₉N₃ 135.17
AST-FK-113	5-chloro-1,2,3,4-tetrahydro-1,6-naphthyridine	[98490-61-0]	C₈H₉ClN₂ 168.62
AST-FK-114	7-chloroquinazoline	[7556-99-2]	C₈H₅ClN₂ 164.59
AST-FK-115	6-chloropyrido[3,4-d]pyrimidine	[202273-25-4]	C₇H₄ClN₃ 165.58
AST-FK-116	2-chloro-6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine	[202273-25-4]	C₉H₁₁ClN₂ 182.65
AST-FK-117	5-chloro-1,2,3,4-tetrahydro-2,6-naphthyridine	[210539-05-2]	C₈H₉ClN₂ 168.62
AST-FK-118	3-chloro-5,6,7,8-tetrahydropyrido[3,4-c]pyridazine	[1029721-23-0]	C₇H₈ClN₃ 169.61
AST-FK-121	tert-butyl 2-bromo-6,7-dihydrothiazolo[5,4-c]pyridine-5(4H)-carboxylate	[365996-06-1]	C₁₁H₁₅BrN₂O₂S 319.22
AST-FK-123	tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate	[230301-73-2]	C₁₂H₁₇NO₂S 239.33
AST-FK-125	7-benzyl-4-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-amine	[859825-79-9]	C₁₄H₁₅ClN₄ 274.75
AST-FK-126	7-benzyl-4-chloro-2-(methylthio)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine	[859826-11-2]	C₁₅H₁₆ClN₃S 305.83
AST-FK-128	5-bromo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine	[115170-40-6]	C₇H₇BrN₂ 199.05
AST-FK-129	ethyl 2-chloro-7,8-dihydropyrido[3,4-b]pyrazine-6(5H)-carboxylate	[949922-49-0]	C₁₀H₁₂ClN₃O₂ 241.67
AST-FK-130	3-bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine	[866546-09-0]	C₇H₄BrClN₂ 231.48
AST-FK-131	4-chloropyrido[3,2-d]pyrimidine	[51674-77-2]	C₇H₄ClN₃ 165.58
AST-FK-132	6-chloropyrido[3,2-b]pyrazine	[68236-03-3]	C₇H₄ClN₃ 165.58
AST-FK-133	4-chloroquinazoline-7-carboxylic acid	[942507-89-3]	C₉H₅ClN₂O₂ 208.6
AST-FK-134	methyl 4-chloroquinazoline-6-carboxylate	[152536-17-9]	C₁₀H₇ClN₂O₂ 222.63
AST-FK-135	1-chloroisoquinoline-5-carboxylic acid hydrochloride	[223671-54-3]	C₁₀H₇Cl₂NO₂ 244.07
AST-FK-137	4-chloroquinoline-6-carboxylic acid	[386207-77-8]	C₁₀H₆ClNO₂ 207.61
AST-FK-138	ethyl 4-chloroquinazoline-6-carboxylate	[155960-94-4]	C₁₁H₉ClN₂O₂ 236.65
AST-FK-140	quinazoline-6-carboxylic acid	[676326-53-7]	C₉H₆N₂O₂ 174.16
AST-FK-141	7-chloroquinoline-3-carboxylic acid	[892874-49-6]	C₁₀H₆ClNO₂ 207.61
AST-FK-142	4-chloro-6-fluoroquinazoline	[16499-61-9]	C₈H₄ClFN₂ 182.58
AST-FK-144	4-bromoquinoline-6-carboxylic acid	[219763-87-8]	C₁₀H₆BrNO₂ 252.06
AST-FK-145	4-Quinazolinecarboxylic acid, 6-bromo-, ammonium salt	[474710-80-0]	C₉H₈BrN₃O₂ 270.08
AST-FK-146	6-bromoquinazoline-4-carboxylic acid	[769916-07-6]	C₉H₅BrN₂O₂ 253.05
AST-FK-147	2-chloroquinazoline-4-carboxylic acid ethyl ester	[5467-57-2]	C₉H₅ClN₂O₂ 208.6