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Parent Category: Reference Standards

Unlabeled Reference Standards

Standards are materials containing a precisely known concentration of a substance for use in quantitative analysis in assays of drug substances and formulations, blood analyses, limit tests, or controls. A standard can also provide a reference that can be used to calibrate analytical instruments as in identification tests, system suitability tests, or chromatographic peak markers.

The standards listed below are not labeled in any position. They are used for multiple avenues of focus such as environmental standards, in-born errors, pharmaceutical reference standards, unlabeled reference standards and impurities reference standards.

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Catalog No.

Product Name

Enrichment

Quantity	Price

2-(4-Boc-piperazinyl)-2-phenylacetic acid

500 mg	$190		Add to Cart
2 g	$590		Add to Cart

DL-N-Boc-proline hydrazide

250 mg	$190		Add to Cart
1 g	$590		Add to Cart

(R)-(1-Boc-Pyrrolidin-3-yl)-acetic acid

100 mg	$190		Add to Cart
500 mg	$590		Add to Cart

1-Boc-pyrrolidine-3-carboxaldehyde
Synonyms:
1,1-Dimethylethyl 3-formyl-1-pyrrolidinecarboxylate; 3- Formylpyrrolidine-1-carboxylic Acid tert-butyl Ester; tert-Butyl 3- formylpyrrolidine-1-carboxylate;

Boc-saxagliptin
Synonyms:
N-[(1S)-2-[(1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hex-2-yl]-1-(3- hydroxytricyclo[3.3.1.13,7]dec-1-yl)-2-oxoethyl]-Carbamic Acid 1, 1-Dimethylethyl Ester;;

Boc-Ser(tBu)-OH NA

5 g	$90		Add to Cart
25 g	$288		Add to Cart

Boc-tranexamic acid

2 g	$190		Add to Cart
10 g	$590		Add to Cart

Boc-trans-4-aminocyclohexanecarboxylic acid
Synonyms:
Trans-4-(tert-Butoxycarbonylamino)cyclohexane-1-carboxylic Acid; Trans-4-[(tert-Butoxycarbonyl)amino]cyclohexanecarboxylic Acid; Trans-4-[(tert-Butyloxycarbonyl)amino]cyclohexanecarboxylic Acid; Trans-4-[[[(1,1-Dimethylethyl)oxy]carbonyl]amino] cyclohexanecarboxylic Acid;

Boc-Tyr(tBu)-OH

5 g	$90		Add to Cart
25 g	$288		Add to Cart

N-Boc-β-alanine ethyl ester

250 mg	$190		Add to Cart
1 g	$590		Add to Cart

Boceprevir dimer impurity

Bomyl
Synonyms:
3-[(Dimethoxyphosphinyl)oxy]-2-pentenedioic Acid Dimethyl Ester; Dimethyl 3-hydroxyglutaconate dimethyl phosphate; General Chemicals 3707; Dimethyl-1,3-di(carbomethoxy)-1-propen-2-yl phosphate; ENT 24,833; GC 3707;

BOP
Synonyms:
Benzotriazole-1-yl-oxy-tris-(dimethylamino)-phosphonium hexafluorophosphate;

50 g	$190		Add to Cart
250 g	$590		Add to Cart

BOP-Cl
Synonyms:
Phosphoric acid bis(2-oxooxazolidide) chloride;

5 g	$190		Add to Cart
25 g	$590		Add to Cart

Borage Seed Oil

1 g $715 Add to Cart

Borane dimethylamine complex
Synonyms:
Dimethylamine, compd. with BH3; Dimethylamine, compd. with Borane; N-Methyl-Methanamine compd. with Borane; Borane, compd. with N-Methylmethanamine; Borane, compd. with Dimethylamine; N- Methyl-methanamine, Boron Complex; (Dimethylamine)trihydroboron; Dimethylamine compound with Borane; Dimethylamine-borane; NSC 10218; NSC 53321;

1 g	$345		Add to Cart
5 g	$375		Add to Cart

Borane-pyridine complex

5 ml	$400		Add to Cart
10 ml	$460		Add to Cart

100 g	$190		Add to Cart
500 g	$590		Add to Cart

Boron trifluoride diethyl etherate
Synonyms:
Boron fluoride (BF3), compd. with Ethyl Ether; (Diethyl ether) trifluoroborane; (Diethyl ether)trifluoroboron; Boron Fluoride (BF3)-Ethyl Ether Compound; Boron Fluoride Diethyl Ether Complex; Boron Fluoride Etherate; Boron Fluoride Monoetherate; Boron Fluoride-diethyl Ether Compound; Boron Fluoride-ethyl Ether Complex; Boron Fluoride-ethyl Etherate; Boron Trifluoride Diethyl Ether Adduct; Boron Trifluoride Etherate; Boron Trifluoride Etherate; Boron Trifluoride Ethyl Etherate; Boron Trifluoride Monoetherate;;

4-Borono-3-cyclohexen-1-one ethylene glycol ketal

50 mg	$390		Add to Cart
250 mg	$1,190		Add to Cart

Borrelidin
Synonyms:
(1R,2R)-2-[(2S,4E,6Z,8R,9S,11R,13S,15S,16S)-7-Cyano-8,16- dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadeca-4,6-dien- 2-yl]-Cyclopentanecarboxylic Acid; [2S-[2R*(1S*,2S*),4E,6Z,8S*, 9R*,11S*,13R*,15R*,16R*]]-2-(7-Cyano-8,16-dihydroxy-9,11,13,15- tetramethyl-18-oxooxacyclooctadeca-4,6-dien-2-yl) cyclopentanecarboxylic Acid; Oxacyclooctadecane Cyclopentanecarboxylic Acid deriv.; (-)-Borrelidin; Borrelidine; NSC 216128; Treponemycin;

Bortezomib
Synonyms:
[(1R)-3-Methyl-1-[[(2S)-1-oxo-3-phenyl-2-[(pyrazinylcarbonyl) amino]propyl]amino]butyl]-boronic Acid; Velcade;

5 mg	$190		Add to Cart
10 mg	$390		Add to Cart
100 mg	$1,590		Add to Cart

Bortezomib impurity
Synonyms:
(1S,2R)-Bortezomib;

Bortezomib impurity
Synonyms:
(1S,2S)-Bortezomib;

1 mg	$390		Add to Cart
5 mg	$1,290		Add to Cart

Bortezomib impurity 10

Bortezomib impurity 11

Bortezomib impurity 12
Synonyms:
(R)-Hydroperoxy des(boric acid) bortezomib;

Bortezomib impurity 13
Synonyms:
(S)-Hydroperoxy des(boric acid) bortezomib;

Bortezomib impurity 15

Bortezomib impurity 16

Bortezomib impurity 17

Bortezomib impurity 18

Bortezomib impurity 2
Synonyms:
Bortezomib impurity E;

Bortezomib impurity 2

Bortezomib impurity 2

Bortezomib impurity 4

Bortezomib impurity 5

1 mg $790 Add to Cart

Bortezomib impurity 6

Bortezomib impurity 7

Bortezomib impurity 8

Bortezomib impurity 9
Synonyms:
N-(2-Pyrazinylcarbonyl)-L-phenylalanyl-N-[(1R)-1-borono-3- methylbutyl]-L-phenylalaninamide;

Bortezomib impurity A
Synonyms:
Bortezomib impurity 3; N-[(1S)-2-Amino-2-oxo-1-(phenylmethyl)ethyl]-2- pyrazinecarboxamide;

10 mg	$190		Add to Cart
50 mg	$590		Add to Cart

Bortezomib impurity C
Synonyms:
Bortezomib impurity-5;

Bortezomib impurity G
Synonyms:
(S)-Hydroxy des(boric acid) bortezomib;

1 mg	$590		Add to Cart
5 mg	$1,890		Add to Cart

Bortezomib impurity H

Bortezomib impurity M

Bortezomib impurity N

Bortezomib impurtiy 14

Bortezomib related impurity E

Bortezomib related impurity F

Bosentan impurity D

Bosentan Related Compound B

15 mg $1,171 Add to Cart

Bosentan Related Compound C

15 mg $1,171 Add to Cart

Bosutinib isomer

Bosutinib N-oxide

Boswellia Serrata Extract

1 g $715 Add to Cart

Bovine HSP70(Heat shock protein 70) ELISA Kit (96T)

BP 294
Synonyms:
(R)-2-[[[2-(1H-Imidazol-4-yl)-1-methylethyl]imino]phenylmethyl] phenol;

BP-1-108
Synonyms:
4-[[(4-Cyclohexylphenyl)methyl][2-[methyl[(2,4,6-trimethylphenyl) sulfonyl]amino]acetyl]amino]-2-hydroxy-Benzoic Acid;

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(+/-)-trans-anti-N2-BPDE-dG-15N₅
Synonyms:
[7S-(7&α;,8 β,9 β,10&α;)]-2’-Deoxy-N-(7,8,9,10- tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl)guanosine-15N5; Benzo[a]pyrene, guanosine deriv.-15N5; (+/-)-trans-anti-7,8,9- Trihydroxy-10-(2’-deoxyguanosin-2-yl)benzo[a]pyrene-15N5;

(+/-)-cis-anti-N2-BPDE-dG-15N₅
Synonyms:
[7S-(7&α;,8 β,9 β,10 β)]-2’-Deoxy-N-(7,8,9,10- tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl)guanosine-15N5; Benzo[a]pyrene Guanosine deriv.-15N5; (+/-)-cis-anti-7,8,9- Trihydroxy-10-(2’-deoxyguanosin-2-yl)benzo[a]pyrene-15N5;

rac-anti-BPDE-III
Synonyms:
(±)-9 β,10&α;-Dihydroxy-7 β,8 β-epoxy-7,8,9, 10-tetrahydrobenzo(a)pyrene; (6bR,7aS,8S,9R)-rel-6b,7a,8,9- Tetrahydrobenzo[10,11]chryseno[1,2-b]oxirene-8,9-diol; Benzo[a] pyrene-9,10-diol-7,8-epoxide;;

BPIPP
Synonyms:
5-(3-Bromophenyl)-5,11-dihydro-1,3-dimethyl-1H-indeno[2’,1’:5,6] pyrido[2,3-d]pyrimidine-2,4,6(3H)-trione;;

(-)-(R)-(S)-BPPFA
Synonyms:
[S-(R*,S*)]-1-[1-(Dimethylamino)ethyl]-1’,2-bis(diphenylphosphino )ferrocene;(+)-BPPFA; (S)-(R)-BPPFA; BPPFA;

(+)-(S)-(R)-BPPFA
Synonyms:
R-(R*,S*)]-1-[1-(dimethylamino)ethyl]-1’,2-bis(diphenylphosphino) -ferrocene;;

BPTES
Synonyms:
N,N’-[Thiobis(2,1-ethanediyl-1,3,4-thiadiazole-5,2-diyl)]bis- benzeneacetamide;;

bpV(phen) (Potassium Hydrate)
Synonyms:
Vanadate(1-), oxodiperoxy(1,10-phenanthroline-?N1,?N10)-, potassium, trihydrate, (PB-7-23-111’1’3)-;

I-BRD9
Synonyms:
5-Ethyl-4,5-dihydro-4-oxo-N-(tetrahydro-1,1-dioxido-2H-thiopyran- 4-yl)-7-[3-(trifluoromethyl)phenyl]thieno[3,2-c]pyridine-2- carboximidamide;;

Bretylium Tosylate

200 mg $715 Add to Cart

1 mg $290 Add to Cart

Brexpiprazole impurity 1

Brexpiprazole impurity 10

Brexpiprazole impurity 11

Brexpiprazole impurity 12

Brexpiprazole impurity 13

Brexpiprazole impurity 14

Brexpiprazole impurity 15

Brexpiprazole impurity 16

Brexpiprazole impurity 2

Brexpiprazole impurity 3
Synonyms:
Brexpiprazole N-oxide;

Brexpiprazole impurity 4

Brexpiprazole impurity 5

Brexpiprazole impurity 6

Brexpiprazole impurity 7

Brexpiprazole impurity 8

Brilacidin-¹⁵N₄

Brimonidine Impurity 19

Brimonidine impurity E

Brimonidine impurity H
Synonyms:
UK 14819;

Brimonidine impurity I
Synonyms:
5-Bromoquinazolin-6-ylthiourea;

100 mg	$290		Add to Cart
500 mg	$990		Add to Cart

Brimonidine related impurity 1

Brimonidine related impurity 2
Synonyms:
4,5-Didehydro brimonidine;

50 mg $290 Add to Cart

Brimonidine related impurity 3
Synonyms:
Quinoxaline 6-isothiocyanate;

Brimonidine tartrate

Brimonidine tartrate impurity 1
Synonyms:
Brimonidine-2,3-dione;

10 mg	$290		Add to Cart
50 mg	$990		Add to Cart

Brimonidine tartrate impurity 2

Brimonidine tartrate impurity 3

Brincidofovir
Synonyms:
Brincidofovir; CMX 001; HDP-cidofovir; Hexadecyloxypropyl- cidofovir; , [[(S)-2-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1- (hydroxymethyl)ethoxy]methyl]-Phosphonic Acid Mono[3- (hexadecyloxy)propyl] Ester;;

Brinzolamide impurity C hydrobromide

Brinzolamide impurity G

Brinzolamide methanesulfonyl amide

Brinzolamide related compound B hydrochloride

5 mg $690 Add to Cart

Brinzolamide related compound C

Brivaracetam (αR, 4R)-Isomer

Brivaracetam (αR, 4S)-Isomer

Brivaracetam (αS, 4S)-Isomer
Synonyms:
(4S)-Brivaracetam;

α-(Z)-Brivudine

Brivudine di-uracil impurity

Brivudine-¹³C₄,¹⁵N₂
Synonyms:
(E)-5-(2-Bromovinyl)-2’-deoxyuridine-13C4,15NH2; (E)-5-(2- Bromovinyl)deoxyuridine-13C4,15NH2; (E)-5-O-(2-bromoethenyl)-2’- deoxyuridine-13C4,15NH2; 5-[(1E)-2-Bromoethenyl]-2’-deoxyuridine- 13C4,15NH2;5-[(E)-2-Bromoethenyl]-2’-deoxyuridine-13C4,15NH2; BVDU-13C4,15NH2; Brivudin-13C4,15NH2; Brivudine-13C4,15NH2; Bromovinyldeoxyuridine-13C4,15NH2; Helpin-13C4,15NH2;

Brobactam sodium salt

100 mg $1,890 Add to Cart

10 mg	$90		Add to Cart
50 mg	$290		Add to Cart

Bromazepam impurity 1

Bromazepam impurity D

Bromazepam impurity E
Synonyms:
2-Bromo-N-[4-bromo-2-(2-pyridinylcarbonyl)phenyl]-acetamide;

Bromchlorbuterol hydrochloride

Bromethalin 100 Âµg/mL in Cyclohexane

1 ml $265 Add to Cart

Bromfenac dimer

Bromfenac ethyl ester
Synonyms:
2-Amino-3-(4-bromobenzoyl)benzeneacetic Acid Ethyl Ester;

Bromfenac glucoside

Bromfenac glucuronide

Bromfenac methyl ester
Synonyms:
2-Amino-3-(4-bromobenzoyl)benzeneacetic Acid Methyl Ester;

50 mg	$385		Add to Cart
100 mg	$425		Add to Cart

Bromfenac sodium salt

Bromfenvinfos-methyl

100 mg $252 Add to Cart

100 mg $276 Add to Cart

Bromhexine impurity
Synonyms:
N-(2-Nitrobenzyl)-N-cyclohexyl-N-methylamine;

Bromhexine impurity C

Bromhexine impurity D

Bromhexine impurity E iodide

Bromhexine N-oxide

Bromhexine related compound 1 hydrochloride

Bromhexine related compound 2 hydrochloride

Bromo β-D-cellotrioside decaacetate

6a-Bromo androstenedione
Synonyms:
(6a)-6-Bromoandrost-4-ene-3-17-dione;

2 mg	$290		Add to Cart
10 mg	$783		Add to Cart

4-Bromo butyronitrile

10 g	$190		Add to Cart
50 g	$513		Add to Cart

7-Bromo epinastine
Synonyms:
Epinastine Impurity B;

7-Bromo epinastine hydrobromide
Synonyms:
Epinastine Impurity B hydrobromide;

Bromo prasugrel impurity

5-Bromo- β-D-glucopyranuronic acid methyl ester tetraacetate

3-Bromo- β-methylbenzeneethanol

1-Bromo-(1-3-thiazole-2-yl)ethane-2-one

1 g	$190		Add to Cart
5 g	$590		Add to Cart

6-Bromo-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene
Synonyms:
2-Bromo-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene; 6- Bromo-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene; NSC 17396;

7-Bromo-1,2,3,4-tetrahydroisoquinoline

3-Bromo-1,2-propanediol
Synonyms:
(+/-)-Glycerol 1-Bromohydrin; 1-Bromo-1-deoxyglycerol; 1-Bromo-2, 3-dihydroxy-propane; 1-Bromo-2,3-propanediol; 3-Bromo-1,2- dihydroxypropane; DL-Glycerol 1-Bromohydrin; Glycerol Bromohydrin; Glycerol &α;-Bromohydrin; &α;-Bromohydrin;;

1 g	$365		Add to Cart
5 g	$660		Add to Cart

(3aS,4R,9bR)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b- tetrahydro-3H-cyclopenta[c]quinoline
Synonyms:
Benzopyrene related compound 6;

4-Bromo-1,3-dihydro-5-methyl-2H-benzimidazol-2-one
Synonyms:
4-Bromo-5-methyl-1H-benzo[d]imidazol-2(3H)-one;

7-Bromo-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester

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