Stable labeled standards

[²H₉]-4-Hydroxybupropion

Product Number: C1236

CAS number: 1261392-50-0

[¹³C₆]-Hydroxybupropion hydrochloride salt

Product Number: C1237

CAS number: 78800-56-3 unlabeled

[²H₉]-Hydroxybupropion hydrochloride salt

Product Number: C1412

CAS number: 1215071-07-0 free base

[²H₈]-Hydroxybupropion hydrochloride salt

Product Number: C3290

CAS number: 1309283-18-8 free base

[¹³C₆]-Bupropion hydrochloride salt

Product Number: C1873

CAS number: 1261393-69-4

[¹³C₂,²H₄]-Hydroxybosentan

Product Number: C3136

CAS number: 253688-60-7 unlabeled

Synonyms: [13C2,2H4]-Bosentan metabolite Ro 48-5033

[²H₄]-Hydroxybosentan

Product Number: C3135

CAS number: 1065472-91-4

[¹³C₂,²H₄]-Desmethyl bosentan

Product Number: C5475

CAS number: 253688-61-8 unlabeled

Synonyms: Ro 47-8634-13C2-d4

[²H₄]-Bosentan

Product Number: C497

CAS number: 1065472-77-6

[¹³C₂,²H₄]-Bosentan

Product Number: C2158

CAS number: 147536-97-8 unlabeled

[¹³C₂,²H₄]-Bosentan sodium salt

Product Number: C2318

CAS number: 150726-52-6 unlabeled

Synonyms: 4-(1,1-Dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)[2,2'-bipyrimidin]-4-yl]-benzenesulfonamide sodium salt-13C2-d4

[²H₉]-Betamethasone-17-valerate

Product Number: C1608

CAS number: 2152-44-5 unlabeled

[²H₅]-Betamethasone-17,21-dipropionate

Product Number: C1545

CAS number: 5593-20-4 unlabeled

[²H₅]-Betamethasone-17-propionate

Product Number: C4894

CAS number: 5534-13-4 unlabeled

[²H₅]-Betamethasone

Product Number: C5064

CAS number: 378-44-9 unlabeled

[²H₃]-Azithromycin

Product Number: C2999

CAS number: 163921-65-1

[¹³C,²H₃]-Azithromycin

Product Number: C1768

CAS number: 83905-01-5 unlabeled

[²H₅]-Atropine

Product Number: C2089

CAS number: 51-55-8 unlabeled

[¹³C,²H₃]-Atropine

Product Number: C2071

CAS number: 51-55-8 unlabeled

[¹³C₆]-4-Hydroxyphenyllactic acid, racemic mixture

Product Number: C1107

CAS number: 306-23-0 unlabeled

Synonyms: [13C6]-2-Hydroxy-3-(4-hydroxyphenyl)propanoic acid, [13C6]-3-(4-Hydroxyphenyl)-DL-lactic acid