LGC(LaboratoryoftheGovernmentChemist)公司于1842年在英国成立，是集实验室服务、测量标准、标准物质及实验室能 力验证于一体的市场领导者。公司的分支机构包括LGC标准品，LGC法医刑侦科 学，LGC基因组学，LGC科学技术部。LGC提供的标准物质涉及医药、临床与法医、 食品与环境、工业及天然产物等领域。

Carbenicillin Sodium羧苄青霉素钠

MM 0805.00   Carbenicillin Sodium

Carbocisteine羧甲司坦

MM 0236.00   Carbocisteine 

MM 0236.01   (S)-Carboxymethyl-L-cysteine

              (R/S)-Sulphoxide   

MM 0236.02   Lactam of (S)-Carboxymethyl-L-cysteine

MM 0236.03   L-Cysteinesulfinic Acid 

Carisoprodol卡利普多

MM 0782.03   Imp. C (EP): 2-Methyl-2-propylpropane-1,3-diol

Carvedilol卡维地洛

MM 0291.00   Carvedilol

MM 0291.02   Imp. B (EP): 1,1'-[[2-(2-Methoxyphenoxy)ethyl]

       -nitrilo]bis[3-(9H-carbazol-4-yloxy)propan-2-ol]

MM 0291.03   Imp. C (EP): (2RS)-1-[Benzyl[2-(2-methoxy-

       phenoxy)ethyl]amino]-3-(9H-carbazol-4-

       yloxy)propan-2-ol

MM 0291.04   Imp. D (Pharmeuropa): Toluene

MM 0291.10   4-(2,3-Epoxypropoxy)carbazole

MM 0291.11   2-(2-Methoxyphenoxy)ethylamine Hydrochloride

Cefaclor        头孢克洛

MM 0326.00   Cefaclor Monohydrate

MM 0253.12   Imp. A (EP): (2R)-2-Amino-2-phenylacetic Acid (D-Phenylglycine)          

MM 0253.08   Imp. F (EP): 3-Phenylpyrazin-2-ol

Cefadroxil Monohydrate头孢羟氨苄

MM 0232.09   Imp. A (EP): (2R)-2-Amino-2-(4-hydroxyphenyl)acetic Acid            

MM 0811.01   Imp. B (EP): (6R,7R)-7-Amino-3-methyl-8-oxo-

              5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic

                  Acid (7-ADCA; 7-Aminodesacetoxycephalosporanic Acid)

Cefalexin Monohydrate头孢氨苄

MM 0605.00   Cefalexin Monohydrate

MM 0253.12   Imp. A (EP): (2R)-2-Amino-2-phenylacetic Acid

              (D-Phenylglycine)               

MM 0811.01   Imp. B (EP): (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-

              1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

              (7-Aminodesacetoxycephalosporanic Acid; 7-ADCA)

Cefazolin Sodium头孢唑啉钠

MM 0238.00   Cefazolin Sodium

MM 0238.05   Imp. E (EP): 5-Methyl-1,3,4-thiadiazol-2-thiol (MMTD)    

MM 0238.08   Imp. H (EP): (6R,7R)-3-[(Acetyloxy)methyl]-7-amino-8-oxo-

              5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid (7-ACA)

Cefetamet盐酸头孢他美

MM 0811.01   7-Aminodesacetoxycephalosporanic Aicd

Cefoperazone Sodium头孢哌酮钠

MM 0853.03   Imp. C (EP): 1-Methyl-1H-tetrazole-5-thiol         

MM 0238.08   Imp. E (EP): (6R,7R)-3-[(Acetyloxy)methyl]-7-amino-8-oxo-

              5-thia-1-azabicyclo-

              [4.2.0]oct-2-ene-2-carboxylic Acid (7-ACA)

Cefradine头孢拉定

MM 0811.01   Imp. A (EP): (6R,7R)-7-Amino-3-methyl-8-oxo-

              5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic

              Acid (7-Aminodeacetoxycephalosporanic Acid,

               7-ADCA)

Celecoxib塞来西布

MM 0344.02   4-[5-[4-(Hydroxymethyl)phenyl]-3-(trifluoromethyl)-1H-pyrazol-

              1-yl]-benzenesulfonamide            

MM 0344.03   4-[1-[4-(Aminosulfonyl)phenyl]-3-(trifluoromethyl)-1H-pyrazol-

              5-yl]benzoic Acid

Celiprolol Hydrochloride盐酸塞利洛尔

MM 0128.00   Celiprolol Hydrochloride

MM 0128.01   Imp. A (EP): 1-[5-Amino-2-[(2RS)-

              3-[(1,1-dimethylethyl)amino]-

              2-hydroxypropoxy]phenyl]ethanone    

MM 0128.03   Imp. C (EP): 1-[3-Acetyl-4-[(2RS)-

              3-[(1,1-dimethylethyl)amino]-

              2-hydroxypropoxy]phenyl]-3-(1,1-dimethylethyl)urea 

MM 0128.10   Imp. D (EP):3-[3-Acetyl-4-[(RS)-3-(diethylamino)-

              2-hydroxypropoxy]phenyl]-1,1-diethylurea

MM 0128.05   Imp. E (EP): 1,1'-[[(1,1-Dimethylethyl)-

                  imino]bis[(2-hydroxypropane-1,3-diyl)-

              oxy(3-acetyl-

              1,4-phenylene)]]bis(3,3-diethylurea)    

MM 0128.07   Imp. F (EP): 3-(3-Acetyl-4-hydroxyphenyl)-1,1-diethylurea      

MM 0128.06   Imp. G (EP): 3-[3-Acetyl-4-[[(RS)-oxiranyl]methoxy]phenyl]-

              1,1-diethylurea      

MM 0128.04   Imp. H (EP): 3-[3-Acetyl-4-[(2RS)-3-bromo-

              2-hydroxypropoxy]phenyl]-1,1-diethylurea (Bromhydrin

              Compound)   

MM 0128.11   3-Acetyl-4-hydroxyaniline Hydrochloride

MM 0128.58   5-Acetamido-2-hydroxyacetophenone

Cethexonium Bromide西塞溴铵

MM 0501.01   rac-trans-2-Dimethylaminocyclohexanol Hydrochloride

Chloramphenicol氯霉素

MM 0516.00   Chloramphenicol   

MM 0516.01   (D)-(-)-threo-2-Amino-1-(4-nitrophenyl)-1,3-propanediol

Chlordiazepoxide Hydrochloride盐酸氯氮卓

MM 0028.02   Imp. A (EP): 7-Chloro-5-phenyl-1,3-dihydro-

              2H-1,4-benzodiazepin-2-one 4-Oxide

               (Demoxepam)

MM 0028.04   Imp. B (EP): 6-Chloro-2-(chloromethyl)-4-phenylquinazoline

                3-Oxide

MM 0028.03   Imp. C (EP): (2-Amino-5-chlorophenyl)phenyl-methanone

              (Aminochlorobenzophenone)

Chlorhexidine Diacetate醋酸氯己定

MM 0162.00   Chlorhexidine Diacetate

MM 0162.05   4-Chloroaniline

MM 0162.07   (4-Chlorophenyl)urea    

MM 0162.08   (4-Chlorophenyl)guanidine Hydrochloride    

Chlorhexidine Dihydrochloride盐酸氯己定

MM 0946.00   Chlorhexidine Dihydrochloride

Cetirizine Dihydrochloride盐酸西替利嗪

MM 0380.00   Cetirizine Dihydrochloride    

MM 0380.01   Imp. A (EP): (RS)-1-[(4-Chlorophenyl)phenylmethyl]piperazine        

MM 0380.02   Imp. B (EP) as Dihydrochloride: (RS)-

               2-[4-[(4-Chlorophenyl)phenylmethyl]-

              piperazin-1-yl]acetic Acid Dihydrochloride  

MM 0380.03   Imp. C (EP) as Dihydrochloride: (RS)-2-[2-[4-[(2-Chloro-

              phenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic Acid      

              Dihydrochloride    

MM 0380.04   Imp. D (EP): 1,4-Bis[(4-chlorophenyl)-

              phenylmethyl]piperazine              

MM 0380.05   Imp. E (EP) as Dihydrochloride: (RS)-

              2-[2-[2-[4-[(4-Chlorophenyl)phenyl-

              methyl]piperazin-1-yl]ethoxy]ethoxy]- acetic Acid Dihydrochloride

              (Ethoxycetirizine Dihydrochloride)      

MM 0380.06   Imp. F (EP) as Dihydrochloride:

              [2-[4-[Diphenylmethyl]piperazin-1-yl]ethoxy]acetic Acid   

              Dihydrochloride    

MM 0380.11   Imp. G (EP) as Dihydrochloride: 2-[4-[(RS)-

               (4-Chlorophenyl)phenylmethyl]-piperazin-1-yl]ethanol

              Dihydrochloride    

MM 0380.08   Isopropyl Ester of Cetirizine 

MM 0380.09   4-Chlorobenzhydrol      

MM 0380.10   4-Chlorobenzophenone

MM 0380.13   Cetirizine N-Oxide

MM 0380.15   Ethyl Ester of Cetirizine Dihydrochloride            

Chlorambucil苯丁酸氮芥

MM 0821.00   Chlorambucil

Chlormezanone芬那露

MM 0017.00   Chlormezanone

MM 0017.02   2-(4-Chlorophenyl)-3-methylperhydro-1,3-thiazin-4-one           

MM 0017.03   4-Chlorobenzaldehyde

Chlorobutanol Hemihydrate 1,1,1-三氯-2-甲基-2-丙醇半水合物      

MM 0535.00   Chlorobutanol Hemihydrate

Chlorocresol4-氯-3-甲酚

MM 0459.00   Chlorocresol

Chlorphenamine Maleate N,N-二甲基-γ-(4-氯苯基)-2-吡啶丙胺顺丁烯二酸盐

MM 0090.00   Chlorphenamine Maleate

MM 0090.03   Imp. A (EP) as Dihydrochloride: 2-(4-

              Chlorophenyl)-4-(dimethylamino)-2-

              [2-(dimethylamino)ethyl]butanenitrile   

              Dihydrochloride

MM 0090.04   Imp. B (EP): N-(Pyridin-2-yl)pyridin-2-amine(2,2'-Dipyridylamine)

MM 0090.13   Imp. C (EP) as Maleate: (3RS)-3-(4-Chloro-

              phenyl)-N-methyl-3-(pyridin-2-yl)propan-1-

              amine Maleate

MM 0090.05   Imp. D (EP) as Maleate: (2RS)-2-(4-Chloro-

              phenyl)-4-(dimethylamino)-2-(pyridin-2-     

              yl)butanenitrile Maleate         

MM 0090.11   Chlorphenamine N-Oxide Dihydrochloride

Chlorpromazine Hydrochloride盐酸氯丙嗪

MM 0420.00   Chlorpromazine Hydrochloride                          

MM 0420.01   Imp. A (EP): 3-(2-Chloro-10H-phenothiazin-10-yl)-N,N-    

              dimethylpropan-1-amine S-Oxide (Chlorpromazine Sulphoxide)

MM 0420.06   Imp. B (EP) as Dihydrochloride: N-[3-(2-Chloro-10H-

              phenothiazin-10-yl)propyl]-N,N',N'-trimethylpropane-

              1,2-diamine Dihydrochloride 

MM 0290.00   Imp. C (EP) as Hydrochloride: Promazine Hydrochloride          

MM 0420.07   Imp. D (EP) as Hydrochloride: 3-(2-Chloro-10H-phenothiazin-

              10-yl)-N-methylpropan-1-amine Hydrochloride

              (Desmethylchlorpromazine Hydrochloride)                       

MM 0420.04   Imp. E (EP): 2-Chloro-10H-phenothiazine   

MM 0420.02   Chlorpromazine Sulphoxide N-Oxide Maleate

Chlorquinaldol 5,7-二氯-8-羟基喹哪啶

MM 0390.00   Chlorquinaldol

Chlortalidone   氯塞酮

MM 0297.00   Chlortalidone

Cimetidine Hydrochloride 盐酸西咪替丁

MM 0020.00   Cimetidine

MM 0020.08   Imp. A (EP): 3-Cyano-2-methyl-1-[2-

              [[(5-methyl-1H-imidazol-4-yl)methyl]-

              sulphanyl]ethyl]isothiourea

MM 0020.12   Imp. B (EP): 3-Cyano-2-methyl-1-[2-[[(5-methyl-1H-imidazol-

              4-yl)methyl]-sulphanyl]ethyl]isourea

MM 0020.03   Imp. C (EP) as Dihydrochloride:

                  1-[(Methylamino)[[2-[[(5-methyl-1H-imidazol-4-yl)-

                methyl]sulphanyl]ethyl]amino]-

                methylene]urea Dihydrochloride (Cimetidine Amide Dihydrochloride)

MM 0020.06   Imp. D (EP) as Dihydrochloride:1-Methyl-

              3-[2-[[(5-methyl-1H-imidazol-

              4-yl)methyl]sulphanyl]ethyl]guanidine Dihydrochloride             

MM 0020.04   Imp. E (EP): 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-

              4-yl)methyl]sulphinyl]ethyl]guanidine (Cimetidine Sulphoxide)   

MM 0020.15   Imp. G (EP): 2-Cyano-1,3-dimethylguanidine

MM 0020.07   Imp. H (EP): 1,1'-(Disulphanediyldiethylene)bis(2-cyano-

              3-methylguanidine)              

MM 0020.50   Imp. J (EP) as Dihydrobromide: 2-[[(5-Methyl-1H-imidazol-

              4-yl)methyl]sulphanyl]ethanamine Dihydrobromide    

MM 0020.10   1,1-Dimethyl-3-cyanoguanidine    

MM 0056.01   Cyanoguanidine

Cinchocaine Hydrochloride盐酸地布卡因

MM 0604.00   Cinchocaine Hydrochloride

MM 0604.02   Imp. B (EP): 2-Hydroxyquinoline-4-carboxylic Acid

MM 0604.05   Cinchocaine N-Oxide

Cinnarizine     桂利嗪

MM 1038.01   Imp. A (EP): 1-(Diphenylmethyl)piperazine

MM 1038.03   Imp. B (EP): (Z)-1-(Diphenylmethyl)-4-(3-

              phenylprop-2-enyl)piperazine

New MM 1038.04 Imp. C (EP): (4-(Diphenylmethyl)-1,1-bis[(E)-

                3-phenylprop-2-enyl]piperazinium Chloride

MM 1038.06   Imp. E (EP): 1,4-Bis(diphenylmethyl)piperazine

Ciprofloxacin Hydrochloride环丙沙星盐酸盐

MM 0018.06   Ciprofloxacin Hydrochloride Monohydrate  

MM 0018.01   Imp. A (EP): 7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-

              1,4-dihydroquinoline-3-carboxylic Acid (Fluoroquinolonic Acid)

MM 0018.05   Imp. B (EP): 1-Cyclopropyl-4-oxo-7-(piperazin-1-yl)-

              1,4-dihydroquinoline-3-carboxylic Acid (Desfluoro Compound) 

MM 0018.04   Imp. C (EP): 7-(2-Aminoethylamino)-1-cyclopropyl-6-fluoro-

              4-oxo-1,4-dihydroquinoline-3-carboxylic Acid (Ethylenediamine

              Compound)   

MM 0018.02   Imp. D (EP): 7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-

                1,4-dihydroquinoline-3-carboxylic Acid       

MM 0018.03   Imp. E (EP): 1-Cyclopropyl-6-fluoro-7-(piperazin-1-yl)-quinolin-4(1H)-

              one (Decarboxylated Compound)

MM 0018.10   6-(2-Aminoethylamino)-7-chloro-1-cyclopropyl-4-oxo-

                  1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride

Citalopram Hydrobromide氢溴酸西酞普兰

MM 0242.00   Citalopram Hydrobromide            

MM 0242.14   Imp. A (EP): (1RS)-1-[3-(Dimethylamino)-

              propyl]-1-(4-fluorophenyl)-1,3-dihydro-

              isobenzofuran-5-carboxamide (Citalopram-Amide)

MM 0242.17   Imp. C (EP): (3RS)-6-Cyano-3-[3-(dimethyl-

              amino)propyl]-3-(4-fluorophenyl)isobenzofuran-1(3H)-one

MM 0242.09   Imp. D (EP) as Hydrochloride: (1RS)-1-(4-

              Fluorophenyl)-1-[3-(methylamino)propyl]-1,3-

                dihydroisobenzofuran-5-carbonitrile Hydro-

              chloride (Desmethylcitalopram Hydrochloride)

New MM 0242.12 Imp. E (EP) as Oxalate: 3-[(1RS)-5-Chloro-

              1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-1-yl]-

              N,N-dimethylpropan-1-amine Oxalate

Citric Acid Anhydrous 柠檬酸     

MM 0988.00   Citric Acid Anhydrous

Citric Acid Monohydrate 柠檬酸

MM 0575.00   Citric Acid Monohydrate

Clarithromycin 克拉霉素

MM 0057.00   Clarithromycin

New MM 0057.05 Imp. E (EP): 6,11-Di-O-methylerythromycin A

Clioquinol 氯碘羟喹

MM 0312.00   Clioquinol

MM 0312.01   Imp. A (EP): 5-Chloroquinolin-8-ol

MM 0312.02   Imp. B (EP): 5,7-Dichloroquinolin-8-ol

MM 0312.03   Imp. C (EP): 5,7-Diiodoquinolin-8-ol

Clobenzorex Hydrochloride普拉雄酮

MM 0649.00   Clobenzorex Hydrochloride

Clobetasol Propionate丙酸氯倍他索

MM 0769.00   Clobetasol Propionate

MM 0200.01   Imp. G (EP): 21-Chloro-9-fluoro-11?,17-dihydroxy-16?-

                  methylpregna-1,4-diene-3,20-dione (Clobetasol)

MM 0202.04   Imp. K (EP):9-Fluoro-11?,17-dihydroxy-

                16?-methyl-3,20-dioxopregna-1,4-dien-

                21-yl Propanoate (Betamethasone 21-Propionate) 

Clobutinol Hydrochloride

MM 0038.00   Clobutinol Hydrochloride

MM 0038.01   1-Dimethylamino-2-methylbutan-3-one

Clomifene Citrate 枸橼酸氯米芬

MM 0650.00   Clomifene Citrate

MM 0650.01   Clomifene N-Oxide Hydrochloride

MM 0650.03   Desethylclomifene Hydrochloride

Clomipramine Hydrochloride 盐酸氯米帕明

MM 0545.00   Clomipramine Hydrochloride

MM 0545.01   Imp. A (EP) as Dihydrochloride: N-[3-(3-

                Chloro-10,11-dihydro-5H-dibenzo[b,f]azepin-

                5-yl)propyl]-N,N',N'-trimethylpropane-1,3-diamine Dihydroc

MM 0077.00   Imp. B (EP) as Hydrochloride: Imipramine Hydrochloride

MM 0545.03   Imp. C (EP) as Hydrochloride: 3-(3-Chloro-5H-

              dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine

                Hydrochloride

MM 0545.04   Imp. D (EP) as Hydrochloride: 3-(3,7-Dichloro-

                  10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N-

                dimethylpropan-1-amine Hydrochloride

MM 0076.06   Imp. E (EP): 10,11-Dihydro-5H-dibenzo[b,f]-azepine (Iminodibenzyl)

MM 0545.06   Imp. F (EP): 3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine

MM 0545.07   Imp. G (EP): 3-Chloro-5-(prop-2-enyl)-10,11-dihydro-5H-

                dibenzo[b,f]azepine

MM 0545.08   Desmethylclomipramine Hydrochloride

MM 0545.09   Clomipramine N-Oxide

MM 0545.13   3-Chloro-10-[3(dimethylamino)propyl]-9-acridanone

Clonidine Hydrochloride 盐酸可乐定

MM 0983.00   Clonidine Hydrochloride

New MM 0983.04 Imp. A (EP): 1-Acetylimidazolidin-2-one      

MM 0006.21   Imp. C (EP): 2,6-Dichloroaniline  

MM 0983.02   1-(2,6-Dichlorophenyl)thiourea

Clopidogrel Hydrogen Sulphate 硫酸氯吡格雷

MM 0455.10   Clopidogrel Hydrogen Sulphate

MM 0455.09   Clopidogrel Alcohol       

MM 0455.13   Imp. B (Pharmeuropa) as Racemate Hydrogen    

              Sulphate: Methyl (2RS)-(2-Chlorophenyl)[4,7-

              dihydrothieno[2,3-c]pyridin-6(5H)-yl]ethanoate  

                  Hydrogen Sulphate

MM 0455.12   Imp. C (Pharmeuropa) as Hydrogen Sulphate: Methyl 

                   (2R)-(2-Chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-

                  5(4H)-yl]ethanoate Hydrogen Sulphate ((R)-Clopidogrel    

                Hydrogen Sulphate)