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Labelled

Our labeled active pharmaceutical ingredient (API) standards provide laboratories with precise and reliable tools for quantitative analysis. These standards, marked with isotopes such as deuterium or 13C, ensure accurate internal calibration and correct for matrix effects in complex samples. This leads to more consistent and reproducible results, essential for drug development and regulatory compliance. By using our labeled API standards,laboratories can enhance the accuracy of their analytical methods and streamline validation processes.

NA

Roxithromycin D7

NA
1216984-85-8

Rizatriptan D6 Benzoate

1216984-85-8
1219794-72-5

(±)-Ractopamine D3 HCl (2-hydroxyethyl-1,1,2 D3)

1219794-72-5
1276197-17-1

(±)-Ractopamine D6 HCl (1-methyl D3,propyl-1,2,2 D3)

1276197-17-1
1219802-60-4

(±)-Ranolazine D8 2HCl (piperazine D8)

1219802-60-4
1392208-04-6

(±)-Ropivacaine D7 (propyl D7)

1392208-04-6
1217709-85-7

(S)-(+)-Repaglinide D5 (ethoxy D5)

1217709-85-7
NA

Rabeprazole D4 Sodium Salt (benzimidazole-4,5,6,7 D4)

NA
1185238-09-8

Ranitidine D6 HCl (N,N-dimethyl D6)

1185238-09-8
350818-67-6

Rimantadine D4 HCl (ethyl D4)

350818-67-6
1276197-13-7

Ritalinic D9 Acid HCl (piperidine D9)

1276197-13-7
1173097-77-2

Robenidine D8 HCl [bis(phenylD4)]

1173097-77-2
1398065-69-4

Roflumilast D4 (cyclopropyl-2,2,3,3 D4)

1398065-69-4
1132746-05-4

Ropinirole D14 HCl (di-n-propyl D14)

1132746-05-4
1014689-18-9

Sudan IV D6

1014689-18-9
NA

Senecionine D3

NA
1215530-54-3

N-Acetyl Sulfamethoxazole D4 (major)

1215530-54-3
NA

Spiramycin I D3

NA
1262770-70-6

Sulfadoxine D3

1262770-70-6
1196157-72-8

Sulfathiazole 13C6 (phenyl-13C6)

1196157-72-8