Risperidone API:
CAS:[106266-06-2]
3-[2-[4-(6-Fluoro-1, 2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6, 7, 8, 9-tetrahydro-2-methyl-4H-pyrido[1, 2-a]pyrimidin-4-one
Molecular formula: C23H27FN4O2 FW 410.48
Appearance: white crystalline powder
Quality standard: Ep5.4
Uses: antipsychotic
Packing: 1kg/can, 5kg/can

Risperidone Intermediates:
(1) CAS:[ 84163-13-3 ]
6-Fluoro-3-(4-piperidinyl)-1, 2-benzisoxazole hydrochloride
Appearance: white or off-white crystal
Assay :> 98%

(2) CAS:[ 84163-77-9 ]
6-Fluoro-3-(4-piperidinyl)-1, 2-benzisoxazole hydrochloride
Appearance: white or off-white crystal
Assay: > 98%

(3) CAS: [106266-04-0]
4-(2, 4-Difluorobenzoyl)piperidine hydrochloride
Appearance: white or off-white crystal
Assay :> 98%

(4) CAS:[691007-05-3]
(Z)-(2, 4-difluorophenyl)-4-piperidinyl-Methanone oxime
Appearance : white or off-white crystal
Assay : > 98 %

(5) CAS:[ 63234-80-0 ]
3-(2-Chloroethyl)-2-methyl-6, 7, 8, 9-tetrahydro-4H-pyrido[1, 2-a]-pyrimidin-4-one
Appearance : white or off-white crystal
Assay : > 98 %

(6) CAS:[ 93076-03-0 ]
3-(2-Chloroethyl)-2-methyl-6, 7, 8, 9-tetrahydro-4H-pyrido[1, 2-a]-pyrimidin-4-one
Appearance : white or off-white crystal
Assay : > 98 %