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Beijing Century Richap Chemistry Co., Ltd.??? ?? ??? ?????.

?? ?:Beijing Century Richap Chemistry Co., Ltd.
??:010-64446226
???:info@bj-newcenturychem.com
??:China
URL: www.richapchem.com
? ?? ?:111
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3,4-Dimethoxybenzoic Acid???????93-07-2C9H10O4
Fluorescent Brightener KSN2397-00-4C30H22N2O2
2,6-Dimethoxybenzoic acid1466-76-8C9H10O4
2-Chloro-5-chloroMethylthiazole105827-91-6C4H3Cl2NS
Phloroglucinol Anhydrous???????108-73-6C6H6O3
2,2-Dimethyl butyric acid595-37-9C6H12O2
2-Methoxy-6-methylbenzoic acid2-???-6-?????6161-65-5C9H10O3
4,4'-Dimethydiphenyl Ether4-?????1579-40-4C14H14O
4,4'-Bis(diethoxyphosphono-methyl)-Biphenyl17919-34-5C22H32O6P2
Pinacol76-09-5C6H14O2
DL-Phenyl Succinic Acid635-51-8C10H10O4
Terephthalaldehyde???? ????623-27-8C8H6O2
4-Isopropylbenzoic Acid4-????????536-66-3C10H12O2
2,6-Dichlorobenzoic Acid50-30-6C7H4Cl2O2
4-Methylbenzyl Chloride4-?????????104-82-5C8H9Cl
4-Cyanobenzaldehyde105-07-7C8H5NO
Fluorescent Brightener OB-1 C.I. 3932,2'-(1,2-????-4,1-???)????????1533-45-5C28H18N2O2
4-Biphenylcarboxylic Acid ???-4-???92-92-2C13H10O2
2-Naphthoic Acid2-?????93-09-4C11H8O2
4-n-Butylaniline????(4-???)104-13-2C10H15N
6-Bromo-2-naphthoic acid6-???-2-????5773-80-8C11H7BrO2
4-Mercaptobenzoic Acid1074-36-8C7H6O2S
2-Hydrazine-4-Methyl Benzo Thiazole4-??-2-?????????20174-68-9C8H9N3S
Fluorescent Brightener OB-4?? 184 ??12224-40-7C26H26N2O2S
2-Cyanobenzaldehyde7468-67-9C8H5NO
p-Ethylbenzoic Acid4-?????619-64-7C9H10O2
4-Chlorobenzophenone134-85-0C13H9ClO
Fluorescent Brightener ER-1 C.I. 19913001-40-6C24H16N2
3-Methylbenzyl Chloride????????620-19-9C8H9Cl
Fluorescent Brightener OB C.I. 1842,5-??(5-??-??????-2-?)????7128-64-5C26H26N2O2S
4-Biphenylcarbonitrile p-???????2920-38-9C13H9N
3-Chlorophenylacetic acid1878-65-5C8H7ClO2
Polyhexamethylene Biguanide HCl??(??????????) ???32289-58-0(C8H17N5)n.xClH
Methyl 4-Fluorobenzoate403-33-8C8H7FO2
M-Toluic acid??-????99-04-7C8H8O2
2-Nitro-4-Methylsulfonylbenzoic acid110964-79-9C8H7NO6S
Isophthalaldehyde????????626-19-7C8H6O2
Ethyl 4-Fluorobenzoate451-46-7C9H9FO2
2-Chlorophenylacetic acid2-????? ??2444-36-2C8H7ClO2
3-Fluorobenzoic acid3-??????? ?455-38-9C7H5FO2
3-Hdroxyphenylacetic acid3-??????????621-37-4C8H8O3
2-Hydroxyphenylacetic acid2-??????????614-75-5C8H8O3
Dicyanamide Sodium1934-75-4C2N3Na
4-Fluorobenzoic Acid456-22-4C7H5FO2
Fluorescent Brightener ER-2 C.I. 199:1?? 199 ??58449-88-0C24H16N2
4-Methoxyphenylacetic acid4-???????104-01-8C9H10O3
2,5-Dimethylbenzoic Acid2,5-??????610-72-0C9H10O2
4,4'-Bis(chloromethyl)-1,1’-biphenyl4,4'-??(?????)-1,1'-????1667-10-3C14H12Cl2
2,3-Dichlorobenzoic Acid2,3-????????50-45-3C7H4Cl2O2
5-Carboxypentyl-triphenyl-phosphonium-bromide5- ???? ?? ?? ?? ?? ?? ?????50889-29-7C24H26BrO2P
Fluorescent Brightener CBS-1274,4-??[2-(2-?????)???]-1,1-????40470-68-6C30H26O2
3-Nitrophthalic Acid3-???????603-11-2C8H5NO6
Thiosalicylic Acid??????147-93-3C7H6O2S
Methyl 3,4-dimethoxybenzoate2150-38-1C10H12O4
2,4-Dimethylbenzoic Acid2,4-??????611-01-8C9H10O2
4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-oxyl4-????-??2226-96-2C9H18NO2*
o-Toluic acid??-????118-90-1C8H8O2
2,4-Dichloro-5-Sulfamoyl Benzoic Acid 2,4-????-5-??????? ?2736-23-4C7H5Cl2NO4S
4-Hdroxyphenylacetic acid4-??????????156-38-7C8H8O3
Fluorescent Brightener KCB??????????5089-22-5C24H14N2O2
4-AMinophenylacetic acid197-55-3C8H9NO2
4-Fluoroacetophenone?????????403-42-9C8H7FO
1-Naphthoic Acid?????86-55-5C11H8O2
2'-Chloroacetophenoneo-????????2142-68-9C8H7ClO
o-Phthalaldehydeo-??????643-79-8C8H6O2
4-(Chloromethyl)benzonitrile874-86-2C8H6ClN
2-Methylbenzyl Chloride?????????552-45-4C8H9Cl
Cyclopropanesulfonyl Chloride139631-62-2C3H5ClO2S
2,5-Dichlorobenzoic Acid50-79-3C7H4Cl2O2
3,5-DiMethyl Benzoyl Chloride6613-44-1C9H9ClO
4-tert-Butylaniline????(4-???)769-92-6C10H15N
2-Methyl-6-nitrobenzoic acid13506-76-8C8H7NO4
Quinaldic acid????93-10-7C10H7NO2
4-Chlorophenylacetic acid4-???????1878-66-6C8H7ClO2
3-Cyanobenzaldehyde3-?????????24964-64-5C8H5NO
4-Carboxybenzaldehyde619-66-9C8H6O3
4-Cyanobenzoic acid4-?????? ?619-65-8C8H5NO2
p-Toluic acid??-????99-94-5C8H8O2
Fluorescent Brightener KCB C.I. 367?????KCB63310-10-1
3-Iodophthalic anhydride3-?????????28418-88-4C8H3IO3
3,5-Dimethylbenzoic Acid3,5-??????499-06-9C9H10O2
N-Phenylglycine103-01-5C8H9NO2
1,3-Cyclohexanedione1,3-????????504-02-9C6H8O2
3-Methoxy-2-methylbenzoic Acid55289-06-0C9H10O3
Trans-Stilbene-dicarboxylic acid-( 4,4')-diMethyl ester??????-???-4,4'-???????34541-73-6C18H16O4
1-Naphthoyl Chloride879-18-5C11H7ClO
2-Phenyl Butyric acid2-??????90-27-7C10H12O2
4-ChloroacetophenoneP-????????99-91-2C8H7ClO
Fluorescent Brightener CBS-127 C.I. 378164908-53-6C30H26O2
2-Cyanobenzyl chloride612-13-5C8H6ClN
3,5-Dinitrosalicylic acid3,5-??????? ?609-99-4C7H4N2O7
1,4-Naphthalenedicarboxylic acid1,4-????????605-70-9C12H8O4
2,5-Thiophenedicarboxylic acid2,5-????????4282-31-9C6H4O4S
o-Anisaldehyde：2-Methoxybenzaldehyde2-?????????135-02-4C8H8O2
2,4-Dichlorobenzoic acid2,4-???? ????50-84-0C7H4Cl2O2
2,4-Dichlorobenzaldehyde2,4-??????????874-42-0C7H4Cl2O
4,4'-Oxybisbenzoic acid2215-89-6C14H10O5
3-Cyanobenzyl chlorideM-????????64407-07-4C8H6ClN
2-Chlorobenzaldehydeo-?????????89-98-5C7H5ClO
Triethyl phosphite???? ????122-52-1C6H15O3P
2,3-Dimethylbenzoic Acid603-79-2C9H10O2
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