Parent Category: Reference Standards

Pharmaceutical Reference Standards


Our high quality pharmaceutical reference standards are standardized substances used as a measurement base for similar substances. Where the exact active substances of a new pharmaceutical are not known, a reference standard provides a calibrated level of biological effects against which new preparations of the compound can be compared.

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Catalog No. Product Name Enrichment
Quantity Price
19258 7-Acetyl Paclitaxel
Synonyms:
7-Acetyltaxol; (αR,βS)-β-(Benzoylamino)-α-hydroxy- benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-4,6, 12b-Tris(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a, 12b-dodecahydro-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-7,1;
5 mg $890   Add to Cart
50 mg $2,620   Add to Cart
18912 A2-PE
Synonyms:
2-[(1E,3E,5E,7E)-2,6-Dimethyl-8-(2,6,6-trimethyl-1-cyclohexen-1- yl)-1,3,5,7-octatetraen-1-yl]-1-[4-hydroxy-4-oxido-10-oxo-7-[(1- oxohexadecyl)oxy]-3,5,9-trioxa-4-phosphapentacos-1-yl]-4-[(1E,3E, 5E)-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3,5-hexat;
2.5 mg $925   Add to Cart
25 mg $2,900   Add to Cart
D75285 Pefloxacin-d3
5 mg $480   Add to Cart
D32582 Pentamidine-d4 DiHCl (pentane-1,1,5,5-d4) 99%D
0.01 g $795   Add to Cart
0.05 g $1,750   Add to Cart
D32150 Pentoxifylline-4’,4’,6’,6’,6’-d5
Synonyms:
3,7-Dimethyl-1-(5-oxohexyl)xanthine; 		98 atom %D
0.05 g $950   Add to Cart
0.1 g $1,695   Add to Cart
D32151 Propyphenazone-d3 (2-N-methyl-d3) 99%D
0.01 g $750   Add to Cart
0.05 g $1,595   Add to Cart
D12457 rac Naproxen-d3 Methyl Ester
Synonyms:
rac 6-Methoxy-α-methyl-d3-2-naphthaleneacetic Acid Methyl Ester; 		98%D
2.5 mg $890   Add to Cart
10 mg $1,900   Add to Cart
14691 Ractopamine hydrochloride
1 g $290   Add to Cart
D13331 Ractopamine-d6
Synonyms:
4-Hydroxy-α-[[[3-(4-hydroxyphenyl)-1-methylpropyl]amino] methyl]benzene- methanol-d6; 		98%D
1 mg $490   Add to Cart
5 mg $1,490   Add to Cart
D32637 (+/-)-Ractopamine-d6 HCl (1-methyl-d3;propyl-1,2,2-d3 ) 99%D
5 mg $1,100   Add to Cart
10 mg $1,950   Add to Cart
19079 (1R,4S)-rel-4-(Acetylamino)-2-cyclopentene-1-carboxylic Acid Methyl Ester
Synonyms:
cis-(+/-)-4-(Acetylamino)-2-Cyclopentene-1-carboxylic Acid Methyl Ester;
100 mg $890   Add to Cart
1 g $2,620   Add to Cart
19262 (1R,4S)-rel-N-[4-[(Acetyloxy)methyl]-2-cyclopenten-1-yl]acetamide
Synonyms:
cis-(+/-)-N-[4-[(Acetyloxy)methyl]-2-cyclopenten-1-yl]-acetamide;
25 mg $890   Add to Cart
250 mg $2,620   Add to Cart
D32571 (S)-(+)-Repaglinide-d5 (ethoxy-d5) 99%D
5 mg $1,125   Add to Cart
10 mg $2,000   Add to Cart
13422 Robenidine HCl
Synonyms:
Bis[(4-chlorophenyl)methylene]carbonimidic Dihydrazide Hydrochloride; Robenzidene; Cycostat; Robenz;
100 mg $290   Add to Cart
D13423 Robenidine-d8
Synonyms:
Bis[(4-chlorophenyl-d4)methylene]carbonimidic Dihydrazide; Robenzidene-d4; Cycostat-d4; Robenz-d4; 		98%D
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D32572 Robenidine-d8 hydrochloride 98%D
10 mg $390   Add to Cart
13426 Ropinirole hydrochloride
Synonyms:
4-[2-(Dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one Hydrochloride; 4-[2-(Di-n-propylamino)ethyl]-2(3H)-indolone Hydrochloride; SKF-101468A; Requip;
25 mg $290   Add to Cart
13393 Ropinirole N-Oxide
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D13427 Ropinirole-d4 HCl
Synonyms:
4-[2-(Dipropylamino-d4)ethyl]-1,3-dihydro-2H-indol-2-one Hydrochloride; 4-[2-(Di-n-propylamino-d4)ethyl]-2(3H)-indolone Hydrochloride; SKF-101468A-d4; Requip-d4; 		97%D
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D32579 Ropinirole-d14 HCl (di-n-propyl-d14) 99%D
5 mg $835   Add to Cart
10 mg $1,495   Add to Cart
D5381 Salicylic Acid-3,4,5,6-d4
Synonyms:
2-Hydroxybenzoic Acid-3,4,5,6-d4;
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D5382 Salicylic acid-d6
Synonyms:
2-Hydroxybenzoic Acid-d6; 		98%D
10 mg $190   Add to Cart
50 mg $590   Add to Cart
D32146 Sildenafil-d3 (N-methyl-d3-piperazine) 98%D
5 mg $805   Add to Cart
10 mg $1,450   Add to Cart
D32136 Sodium 4-Hydroxybutyrate-d6 98%D
0.1 g $905   Add to Cart
0.25 g $1,695   Add to Cart
32805 Sodium Alginate
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D32704 Sulfamerazine-d4 (benzene-d4) 98%D
0.01 g $885   Add to Cart
0.05 g $2,050   Add to Cart
13669 Terbutaline Hemisulfate Salt
Synonyms:
2-tert-Butylamino-1-(3,5-dihydroxyphenyl)ethanol Hemisulfate; Brethaire; Brethine; Butalire; Monovent; Terbasmin; Terbul;
2 g $840   Add to Cart
10 g $1,720   Add to Cart
5535 Terbutaline Sulfate
0.25 g $1,500   Add to Cart
0.1 g $750   Add to Cart
D13670 Terbutaline-d9
Synonyms:
2-tert-Butylamino-d9-1-(3,5-dihydroxyphenyl)ethanol; Brethaire-d9; Brethine-d9; Butaliret-d9; Monovent-d9; Terbasmin-d9; Terbul-d9; 		98%D
1 mg $390   Add to Cart
D32570 Terbutaline-d3
5 mg $390   Add to Cart
18852 Toltrazuril
Synonyms:
Baycox; Toltrazurilum; Toltrazurilo;
100 mg $190   Add to Cart
D32531 Topirimate-d12 (di-iso-propylidene-d12) 99%D
0.01 g $950   Add to Cart
13891 Trazodone
Synonyms:
2-[3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl]-1,2,4-triazolo[4,3 -α]pyridin-3(2H)- one;
100 mg $860   Add to Cart
0.5 g $1,880   Add to Cart
16883 Trazodone HCl
1 mg $525   Add to Cart
D13892 Trazodone-d6 HCl
Synonyms:
2-[3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl-d6]-1,2,4- triazolo[4,3-α]pyridin-3(2H)-one Hydrochloride; 		99%D
1 mg $900   Add to Cart
5 mg $2,200   Add to Cart
D32581 Trazodone-d6 HCl (propyl-d6) 99%D
5 mg $1,250   Add to Cart
10 mg $2,200   Add to Cart
D32157 Triclosan-d3 (2,4-dichlorophenoxy-d3) 97%D
10 mg $740   Add to Cart
50 mg $1,570   Add to Cart
D4422 Valproic acid-d6
Synonyms:
2-(Propyl-3,3,3-d3)pentanoic-5,5,5-d3 Acid;
5 mg $290   Add to Cart
D32154 (S)-(-)-Valsartan-d8 (valine-d8) 98%D
5 mg $790   Add to Cart
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