Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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Product data	Purity	Price range	Estimated delivery
Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide) REF: 45-1269979CAS: 3258-84-2	- - -	To inquire	Tue 25 Feb 25
Naltrexone Related Compound A CII (N-(3-butenyl)-noroxymorphone Hydrochloride) REF: 45-1453526	- - -	To inquire	Tue 25 Feb 25
Zolpidem Impurities Mixture CIV REF: 45-1724951	- - -	To inquire	Tue 25 Feb 25
Dextromethorphan Related Compound A CI (3-Methoxy-9α,13α,14α-morphinan hydrochloride) REF: 45-1180514CAS: 1087-69-0	- - -	To inquire	Tue 25 Feb 25
Morphine Related Compound B CII (2,2'-Bimorphine trihydrate) REF: 45-1448027CAS: 6472-73-7	- - -	To inquire	Tue 25 Feb 25
1-Fluoronaphthalene REF: 3D-IF23445CAS: 321-38-0	Min. 95%	136.00 €~723.00 €	Tue 25 Feb 25
Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one) REF: 45-1482025CAS: 4424-45-7	- - -	To inquire	Tue 25 Feb 25
Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate) REF: 45-1729118CAS: 138680-08-7	- - -	To inquire	Tue 25 Feb 25
Chlorthalidone impurity J REF: 3D-IC171609CAS: 956-92-3	Min. 95 Area-%	104.00 €~865.00 €	Tue 25 Feb 25
4-(1-Hydroxy-1-methylethyl)-2-propyl-1[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazo-5-carboxylate (5-methyl-2-oxo-1,3-dioxo len-4-yl)methyl REF: 3D-IH57932CAS: 144690-92-6	Min. 95%	68.00 €~1,047.00 €	Tue 25 Feb 25
Oxandrolone Related Compound A CIII (17β-hydroxy-17α-methyl-2-oxa-5α-androst-7-en-3-one) REF: 45-1482014CAS: 1391052-43-9	- - -	To inquire	Tue 25 Feb 25
Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one) REF: 45-1453049CAS: 26451-92-3	- - -	To inquire	Tue 25 Feb 25
Exemestane Related Compound C CIII (androsta-1,4-diene-3,17-dione) REF: 45-1269083CAS: 897-06-3	- - -	To inquire	Tue 25 Feb 25
Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide) REF: 45-1488019CAS: 71360-37-7	- - -	To inquire	Tue 25 Feb 25
N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methyloxirane-2-carboxamide REF: 3D-IC58274CAS: 90357-51-0	Min. 95%	141.00 €~865.00 €	Tue 25 Feb 25
Oxycodone Related Compound C CII (codeinone) REF: 45-1485238CAS: 467-13-0	- - -	To inquire	Tue 25 Feb 25
Diphenoxylate Related Compound A CI (1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid) REF: 45-1219019CAS: 28782-42-5	- - -	To inquire	Tue 25 Feb 25
Hydromorphone Related Compound A CII (7,8-didehydro-4,5α-epoxy-3-hydroxy-17-methylmorphinan-6-one perchlorate) REF: 45-1323021CAS: 91265-67-7	- - -	To inquire	Tue 25 Feb 25
Clindamycin-B2-phosphate REF: 3D-AC61620CAS: 54887-31-9	Min. 95%	517.00 €~3,710.00 €	Tue 25 Feb 25
(R,R)-Montelukast bis-sulfide REF: 3D-IM111982CAS: 1187586-61-3	90%Min	472.00 €~2,319.00 €	Tue 25 Feb 25

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Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide)

Controlled Product

CAS:3258-84-2

Fentanyls and their derivatives containing an unfused pyrazole ring, whether or not hydrogenated, nesoi

Formula:

C₂₁H₂₆N₂O

Color and Shape:

White Powder

Molecular weight:

322.20451

Ref: 45-1269979

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Naltrexone Related Compound A CII (N-(3-butenyl)-noroxymorphone Hydrochloride)

Controlled Product

Alkaloids of opium and their derivatives, salts thereof, not elsewhere specified or included

Formula:

C₂₀H₂₃NO₄·HCl

Color and Shape:

Off-White Powder

Molecular weight:

341.16271

Ref: 45-1453526

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Zolpidem Impurities Mixture CIV

Controlled Product

Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …

Color and Shape:

Powder

Ref: 45-1724951

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Dextromethorphan Related Compound A CI (3-Methoxy-9α,13α,14α-morphinan hydrochloride)

Controlled Product

CAS:1087-69-0

Compounds containing a quinoline or isoquinoline ring-system, whether or not hydrogenated, not further fused, excluding …

Formula:

C₁₇H₂₃NO·HCl

Color and Shape:

White Powder

Molecular weight:

257.17796

Ref: 45-1180514

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Morphine Related Compound B CII (2,2'-Bimorphine trihydrate)

Controlled Product

CAS:6472-73-7

Alkaloids of opium and their derivatives, salts thereof, not elsewhere specified or included

Formula:

C₃₄H₃₆N₂O₆· 3H₂O

Color and Shape:

White Powder

Molecular weight:

568.25734

Ref: 45-1448027

Estimated delivery in United States, on Tuesday 25 Feb 2025

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1-Fluoronaphthalene

CAS:321-38-0

1-Fluoronaphthalene is a polyunsaturated compound that is used in analytical chemistry for the determination of …

Formula:

C₁₀H₇F

Purity:

Min. 95%

Molecular weight:

146.16 g/mol

Ref: 3D-IF23445

1kg		723.00 €
50g		136.00 €
100g		192.00 €
250g		325.00 €
500g		452.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one)

Controlled Product

CAS:4424-45-7

Lactones nesoi

Formula:

C₁₉H₃₀O₃

Color and Shape:

Powder

Molecular weight:

306.21949

Ref: 45-1482025

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)

Controlled Product

CAS:138680-08-7

Lactams, nesoi

Formula:

C₁₇H₁₇ClN₆O₃

Color and Shape:

Light Brown Solid

Molecular weight:

388.10507

Ref: 45-1729118

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Chlorthalidone impurity J

CAS:956-92-3

Chlorthalidone is a drug product that contains the impurity J. Chlorthalidone is an antihypertensive drug …

Formula:

C₁₄H₁₀ClNO₂

Purity:

Min. 95 Area-%

Color and Shape:

White Off-White Powder

Molecular weight:

259.69 g/mol

Ref: 3D-IC171609

25mg		194.00 €
50mg		310.00 €
100mg		437.00 €
250mg		645.00 €
500mg		865.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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4-(1-Hydroxy-1-methylethyl)-2-propyl-1[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazo-5-car…

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4-(1-Hydroxy-1-methylethyl)-2-propyl-1[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazo-5-carboxylate (5-methyl-2-oxo-1,3-dioxo len-4-yl)methyl

CAS:144690-92-6

5-methyl-2-oxo-1,3-dioxo-4-[(4-[2-(trityl)phenyl]phenyl)methylimidazo]-5-carboxylate is a drug that belongs to the group of angiotensin II receptor antagonists. The …

Formula:

C₄₈H₄₄N₆O₆

Purity:

Min. 95%

Color and Shape:

Solid

Molecular weight:

800.9 g/mol

Ref: 3D-IH57932

10g		194.00 €
25g		310.00 €
50g		436.00 €
100g		646.00 €
250g		1,047.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Oxandrolone Related Compound A CIII (17β-hydroxy-17α-methyl-2-oxa-5α-androst-7-en-3-one)

Controlled Product

CAS:1391052-43-9

Lactones nesoi

Formula:

C₁₉H₂₈O₃

Color and Shape:

White Crystalline Powder

Molecular weight:

304.20384

Ref: 45-1482014

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one)

Controlled Product

CAS:26451-92-3

Alkaloids of opium and their derivatives, salts thereof, not elsewhere specified or included

Formula:

C₁₉H₁₉NO₄

Color and Shape:

Light Yellow Powder

Molecular weight:

325.13141

Ref: 45-1453049

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Exemestane Related Compound C CIII (androsta-1,4-diene-3,17-dione)

Controlled Product

CAS:897-06-3

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₁₉H₂₄O₂

Color and Shape:

White Powder

Molecular weight:

284.17763

Ref: 45-1269083

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide)

Controlled Product

CAS:71360-37-7

Concentrates of poppy straw; buprenorphine (inn) codeine, dihydrocodeine (inn), ethylmorphine (inn), etorphine (inn), heroin, hydrococdone …

Formula:

C₁₇H₁₉NO₅

Color and Shape:

Off-White Powder

Molecular weight:

317.12632

Ref: 45-1488019

Estimated delivery in United States, on Tuesday 25 Feb 2025

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N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methyloxirane-2-carboxamide

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N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methyloxirane-2-carboxamide

CAS:90357-51-0

N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methyloxirane-2-carboxamide (NUOX) is a potential anticancer agent that has been shown to have an acidic …

Formula:

C₁₂H₉F₃N₂O₂

Purity:

Min. 95%

Color and Shape:

White Powder

Molecular weight:

270.21 g/mol

Ref: 3D-IC58274

10g		141.00 €
25g		198.00 €
50g		308.00 €
100g		495.00 €
250g		865.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Oxycodone Related Compound C CII (codeinone)

Controlled Product

CAS:467-13-0

Alkaloids of opium and their derivatives, salts thereof

Formula:

C₁₈H₁₉NO₃

Color and Shape:

Powder

Molecular weight:

297.13649

Ref: 45-1485238

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Diphenoxylate Related Compound A CI (1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid)

Controlled Product

CAS:28782-42-5

Alfentanil (inn), anileridine (inn), bezitramide (inn), bromazepam (inn), difenoxin (inn), diphenoxylate (inn), dipipanone (inn), fentanyl …

Formula:

C₂₈H₂₈N₂O₂

Color and Shape:

Powder

Molecular weight:

424.21508

Ref: 45-1219019

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Hydromorphone Related Compound A CII (7,8-didehydro-4,5α-epoxy-3-hydroxy-17-methylmorphinan-6-one perchlorate)

Controlled Product

CAS:91265-67-7

Alkaloids of opium and their derivatives, salts thereof, not elsewhere specified or included

Formula:

C₁₇H₁₇NO₃·HClO₄

Color and Shape:

Off-White Light Yellow Powder

Molecular weight:

383.07718

Ref: 45-1323021

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Clindamycin-B2-phosphate

CAS:54887-31-9

Clindamycin-B2-phosphate is a drug product with CAS No. 54887-31-9 that is used as an analytical …

Formula:

C₁₇H₃₂ClN₂O₈PS

Purity:

Min. 95%

Color and Shape:

White Powder

Molecular weight:

490.94 g/mol

Ref: 3D-AC61620

1mg		801.00 €
2mg		1,160.00 €
5mg		2,203.00 €
10mg		3,710.00 €
500µg		517.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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(R,R)-Montelukast bis-sulfide

CAS:1187586-61-3

(R,R)-Montelukast bis-sulfide is a drug product that is used in the analytical and research and …

Formula:

C₄₁H₄₆ClNO₅S₂

Purity:

90%Min

Molecular weight:

732.39 g/mol

Ref: 3D-IM111982

1mg		472.00 €
2mg		647.00 €
5mg		986.00 €
10mg		1,276.00 €
25mg		2,319.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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