Chemicals starting with “O”

787 products in alphabetical order with CAS numbers and molecular formulas.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Reference Standard

Osimertinib N-Oxide

CAS: 2411395-22-5
Formula: C₂₈H₃₃N₇O₃
MW: 515.6 g/mol

VQ-027058

Reference Standard

Osimertinib N,N'-Dioxide

CAS: 2411395-23-6
Formula: C₂₈H₃₃N₇O₄
MW: 531.6 g/mol

In stock

Reference Standard

Osimertinib N'-Oxide Impurity

CAS: 1975982-94-5
Formula: C₂₈H₃₃N₇O₃
MW: 515.6 g/mol

In stock

Reference Standard

Osimertinib-13CD3

CAS: 2254100-49-5
Formula: C₂₈H₃₃N₇O₂
MW: 503.6 g/mol

VQ-049365

Osmic acid, 99.9%

CAS: 20816-12-0
Formula: O₄Os
MW: 254.2 g/mol

VQ-015398

Osmic acid, AR ≥99.9%

CAS: 20816-12-0
Formula: O₄Os
MW: 254.2 g/mol

VQ-045689

Osmic acid, solution, 2% w/v

CAS: 20816-12-0
Formula: O₄Os
MW: 254.2 g/mol

VQ-015399

Osmium nanopowder, APS 20-30 nm, 99%+

CAS: 7440-04-2
Formula: Os
MW: 190.2 g/mol

VQ-017368

Osmium powder, -200 mesh, 99.8%

CAS: 7440-04-2
Formula: Os
MW: 190.2 g/mol

VQ-016172

Reference Standard

Ospemifene

CAS: 128607-22-7
Formula: C₂₄H₂₃ClO₂
MW: 378.9 g/mol

VQ-027061

Reference Standard

Ospemifene Dichloro Impurity

CAS: 211372-71-3
Formula: C₁₈H₁₈Cl₂
MW: 305.2 g/mol

VQ-038817

Reference Standard

Ospemifene E-Isomer Impurity

CAS: 238089-02-6
Formula: C₂₄H₂₃ClO₂
MW: 378.9 g/mol

VQ-005450

Reference Standard

Ospemifene Ethyl Ester Impurity

CAS: 341527-08-0
Formula: C₂₆H₂₅ClO₃
MW: 420.93 g/mol

VQ-044997

Reference Standard

Ospemifene Metabolite M3

CAS: 128585-02-4
Formula: C₂₄H₂₁ClO₃
MW: 392.9 g/mol

VQ-044996

Reference Standard

Ostarine

CAS: 841205-47-8
Formula: C₁₉H₁₄F₃N₃O₃
MW: 389.3 g/mol

VQ-049367

Osthole, ≥98%

CAS: 484-12-8
Formula: C₁₅H₁₆O₃
MW: 244.28 g/mol

VQ-003864

Puriss

Osthole, 95%+

CAS: 484-12-8
Formula: C₁₅H₁₆O₃
MW: 244.28 g/mol

VQ-003863

Reference Standard

Osunprotafib

CAS: 2489404-97-7
Formula: C₁₇H₂₄FN₃O₄S
MW: 385.5 g/mol

VQ-032905

Reference Standard

Oteseconazole

CAS: 1340593-59-0
Formula: C₂₃H₁₆F₇N₅O₂
MW: 527.4 g/mol

VQ-027062

Reference Standard

Oteseconazole Epoxide Impurity

CAS: 294182-28-8
Formula: C₁₄H₈BrF₄NO
MW: 362.12 g/mol

VQ-045483

Reference Standard

Otilonium Bromide

CAS: 26095-59-0
Formula: C₂₉H₄₃BrN₂O₄
MW: 563.6 g/mol

VQ-027319

Reference Standard

Otilonium Bromide Impurity 14 Bromide

CAS: 26187-16-6
Formula: C₃₀H₄₅BrN₂O₄
MW: 577.6 g/mol

VQ-041251

Reference Standard

Otilonium Bromide Impurity 3

CAS: 14629-01-7
Formula: C₁₄H₂₃BrN₂O₂
MW: 331.25 g/mol

VQ-027320

Reference Standard

Ouratea proanthocyanidin A

CAS: 274678-42-1
Formula: C₃₁H₂₈O₁₂
MW: 592.5 g/mol

VQ-039775

Ovalbumin (323-339) (chicken, Japanese quail)

Cat. No.: VQ-011526

VQ-011526

Reference Standard

Oxaceprol

CAS: 33996-33-7
Formula: C₇H₁₁NO₄
MW: 173.17 g/mol

VQ-041252

Reference Standard

Oxacillin

CAS: 66-79-5
Formula: C₁₉H₁₉N₃O₅S
MW: 401.4 g/mol

VQ-044185

Reference Standard

Oxacillin EP Impurity B

CAS: 1642629-95-5
Formula: C₁₉H₂₁N₃O₆S
MW: 419.5 g/mol

VQ-041254

Reference Standard

Oxacillin EP Impurity C

CAS: 1136-45-4
Formula: C₁₁H₉NO₃
MW: 203.19 g/mol

VQ-032988

Reference Standard

Oxacillin Impurity G

CAS: 724695-30-1
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

VQ-032990

Reference Standard

Oxacillin Sodium Monohydrate

CAS: 7240-38-2
Formula: C₁₉H₂₀N₃NaO₆S
MW: 441.4 g/mol

VQ-019562

Reference Standard

Oxacillin Sodium Monohydrate EP Impurity F

CAS: 5053-35-0
Formula: C₁₉H₁₉N₃O₄S₂
MW: 417.5 g/mol

VQ-032989

Reference Standard

Oxacillin sodium salt

CAS: 1173-88-2
Formula: C₁₉H₁₈N₃NaO₅S
MW: 423.4 g/mol

VQ-041253

Reference Standard

Oxacyclohexane Open Ring Tacrolimus

CAS: 144432-23-5
Formula: C₄₄H₇₁NO₁₃
MW: 822 g/mol

VQ-028173

Oxadiargyl

CAS: 39807-15-3
Formula: C₁₅H₁₄Cl₂N₂O₃
MW: 341.2 g/mol

VQ-039661

Oxadiazon

CAS: 19666-30-9
Formula: C₁₅H₁₈Cl₂N₂O₃
MW: 345.2 g/mol

VQ-038913

Oxadixyl

CAS: 77732-09-3
Formula: C₁₄H₁₈N₂O₄
MW: 278.3 g/mol

VQ-040159

Biochemistry

Oxalacetic acid, 98%

CAS: 328-42-7
Formula: C₄H₄O₅
MW: 132.07 g/mol

VQ-002679

Cell Culture

Oxalacetic acid, cell culture tested

CAS: 328-42-7
Formula: C₄H₄O₅
MW: 132.07 g/mol

VQ-046429

Oxalic acid dihydrazide, GR 98%

CAS: 996-98-5
Formula: C₂H₆N₄O₂
MW: 118.1 g/mol

VQ-009899

Oxalic acid dihydrazide, LR

CAS: 996-98-5
Formula: C₂H₆N₄O₂
MW: 118.1 g/mol

VQ-047213

Oxalic acid, ≥99.5%

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-008563

Oxalic acid, 0.01 mol/L (0.02N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003616

Oxalic acid, 0.05 mol/L (0.1N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003617

Oxalic acid, 0.1N volumetric standard solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-000106

Oxalic acid, 0.5 mol/L (1N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003618

Oxalic acid, 99%

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-008561

Oxalic acid, anhydrous, 99%+

CAS: 144-62-7
Formula: C₂H₂O₄
MW: 90.03 g/mol

VQ-000914

Oxalic acid, GR 99.5%+

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-008562

IP/BP/USP

Oxaliplatin

CAS: 61825-94-3
Formula: C₈H₁₄N₂O₄Pt
MW: 397.29 g/mol

VQ-004220

Reference Standard

Oxaliplatin EP impurity B

CAS: 89955-85-1
Formula: C₆H₂₀N₂O₂Pt⁺2
MW: 347.32 g/mol

VQ-032991

Reference Standard

Oxaliplatin EP Impurity C

CAS: 111321-67-6
Formula: C₈H₁₆N₂O₆Pt
MW: 431.31 g/mol

VQ-027322

Reference Standard

Oxaliplatin EP Impurity D

CAS: 111263-58-2
Formula: C₈H₁₄N₂O₆Pt-2
MW: 429.29 g/mol

VQ-032994

Reference Standard

Oxaliplatin EP Impurity E

CAS: 82398-34-3
Formula: C₁₂H₃₀N₆O₈Pt₂
MW: 776.56 g/mol

VQ-041256

Reference Standard

Oxaliplatin Related Compound B

CAS: 66900-68-3
Formula: C₆H₁₄N₄O₆Pt
MW: 433.28 g/mol

VQ-032993

Reference Standard

Oxaliplatin Related Compound D

CAS: 61758-77-8
Formula: C₈H₁₄N₂O₄Pt
MW: 397.29 g/mol

VQ-041255

Reference Standard

Oxaliplatin Related Compound F

CAS: 66845-32-7
Formula: C₆H₁₂I₂N₂Pt
MW: 561.07 g/mol

VQ-041257

Oxaliplatin, 99%

CAS: 61825-94-3
Formula: C₈H₁₄N₂O₄Pt
MW: 397.29 g/mol

VQ-002918

Oxalosuccinic acid barium salt, 97%

CAS: 58823-93-1
Formula: C₆H₄BaO₇
MW: 325.42 g/mol

VQ-001244

Extra Pure

Oxalyl chloride 2 M in mdc, extra pure

CAS: 79-37-8
Formula: C₂Cl₂O₂
MW: 126.92 g/mol

VQ-045833

Synthesis

Oxalyl chloride, 98%

CAS: 79-37-8
Formula: C₂Cl₂O₂
MW: 126.92 g/mol

VQ-009158

Oxalyl chloride, for GC >98%

CAS: 79-37-8
Formula: C₂Cl₂O₂
MW: 126.92 g/mol

VQ-045834

Synthesis

Oxamide, 99%

CAS: 471-46-5
Formula: C₂H₄N₂O₂
MW: 88.07 g/mol

VQ-009052

Oxamyl

CAS: 23135-22-0
Formula: C₇H₁₃N₃O₃S
MW: 219.26 g/mol

VQ-038915

Reference Standard

Oxandrolone

CAS: 53-39-4
Formula: C₁₉H₃₀O₃
MW: 306.4 g/mol

VQ-043247

Reference Standard

Oxandrolone USP Related Compound B

CAS: 4424-45-7
Formula: C₁₉H₃₀O₃
MW: 306.4 g/mol

VQ-035025

Reference Standard

Oxandrolone USP Related Compound C

CAS: 142793-21-3
Formula: C₁₉H₂₈O₂
MW: 288.4 g/mol

VQ-035026

Reference Standard

Oxantel Pamoate

CAS: 68813-55-8
Formula: C₃₆H₃₂N₂O₇
MW: 604.6 g/mol

VQ-041259

Reference Standard

Oxantel Pamoate Hydrochloride Impurity (Stage-1)

CAS: 1188263-67-3
Formula: C₉H₂₁ClN₂O₂
MW: 224.73 g/mol

VQ-005451

Reference Standard

Oxantel Pamoate Impurity (Stage-1)

CAS: 150349-36-3
Formula: C₉H₂₀N₂O₂
MW: 188.27 g/mol

In stock

Reference Standard

Oxantel Pamoate Impurity (Stage-3)

Formula: C₁₈H₂₆N₂O₄
MW: 334.41 g/mol

VQ-005453

Reference Standard

Oxaprozin

CAS: 21256-18-8
Formula: C₁₈H₁₅NO₃
MW: 293.3 g/mol

VQ-032995

Reference Standard

Oxaprozin Amide

CAS: 24248-49-5
Formula: C₁₈H₁₆N₂O₂
MW: 292.3 g/mol

In stock

Reference Standard

Oxaprozin Bisoxazole Analog

CAS: 2806364-75-8
Formula: C₃₂H₂₄N₂O₂
MW: 468.5 g/mol

VQ-032997

Oxathiapiprolin

CAS: 1003318-67-9
Formula: C₂₄H₂₂F₅N₅O₂S
MW: 539.5 g/mol

VQ-039810

Reference Standard

Oxatomide

CAS: 60607-34-3
Formula: C₂₇H₃₀N₄O
MW: 426.6 g/mol

VQ-043784

Reference Standard

Oxazepam EP Impurity A

CAS: 19554-95-1
Formula: C₁₅H₁₁ClN₂O₂
MW: 286.71 g/mol

VQ-044855

Reference Standard

Oxazepam EP Impurity B

CAS: 1824-74-4
Formula: C₁₇H₁₃ClN₂O₃
MW: 328.7 g/mol

VQ-044873

Oxazole yellow, ≥99%

CAS: 152068-09-2
Formula: C₂₄H₂₉IN₃O⁺
MW: 502.4 g/mol

VQ-002919

Oxazole-4-carboxylic acid ethyl ester, 97%

CAS: 23012-14-8
Formula: C₆H₇NO₃
MW: 141.12 g/mol

VQ-012695

Reference Standard

Oxazolidinone -1,3-Oxazolidone-2-thione

CAS: 5840-81-3
Formula: C₃H₅NOS
MW: 103.15 g/mol

VQ-039832

Reference Standard

Oxazolidinone Dimer Impurity

CAS: 914777-33-6
Formula: C₂₁H₂₀F₂O₃
MW: 358.4 g/mol

VQ-037183

Oxazoline

CAS: 504-77-8
Formula: C₃H₅NO
MW: 71.08 g/mol

VQ-049221

Microbiology

Oxbile powder

Cat. No.: VQ-002680

VQ-002680

Oxcarbazepine Enol-Sulfate

CAS: 104746-00-1
Formula: C₁₅H₁₂N₂O₅S
MW: 332.3 g/mol

VQ-033000

Reference Standard

Oxcarbazepine EP Impurity C

CAS: 21737-58-6
Formula: C₁₄H₁₁NO
MW: 209.24 g/mol

VQ-023427

Reference Standard

Oxcarbazepine EP Impurity D

CAS: 19579-83-0
Formula: C₁₄H₉NO₂
MW: 223.23 g/mol

VQ-023425

Reference Standard

Oxcarbazepine EP Impurity F

CAS: 28721-08-6
Formula: C₁₆H₁₂ClNO₂
MW: 285.72 g/mol

VQ-027326

Reference Standard

Oxcarbazepine EP Impurity G

CAS: 15882-79-8
Formula: C₁₇H₁₇NO
MW: 251.32 g/mol

VQ-023433

Reference Standard

Oxcarbazepine EP Impurity I

CAS: 537693-29-1
Formula: C₁₅H₁₀N₂O₃
MW: 266.25 g/mol

VQ-021297

Reference Standard

Oxcarbazepine EP Impurity K

CAS: 1346601-76-0
Formula: C₁₆H₁₂N₂O₃
MW: 280.28 g/mol

VQ-023428

Reference Standard

Oxcarbazepine EP Impurity L

CAS: 2642430-28-0
Formula: C₁₇H₁₄N₂O₃
MW: 294.3 g/mol

VQ-023429

Reference Standard

Oxcarbazepine EP Impurity M

CAS: 2642430-32-6
Formula: C₃₀H₂₂N₄O₃
MW: 486.5 g/mol

In stock

Reference Standard

Oxcarbazepine Impurity 15

CAS: 1360470-12-7
Formula: C₁₈H₁₅NO₃
MW: 293.3 g/mol

VQ-041264

Reference Standard

Oxcarbazepine Impurity B

CAS: 4698-11-7
Formula: C₁₅H₁₃NO
MW: 223.27 g/mol

In stock

Oxcarbazepine N-Sulfate

CAS: 1159977-54-4
Formula: C₁₅H₁₂N₂O₅S
MW: 332.3 g/mol

VQ-032998

Reference Standard

Oxcarbazepine O-Propan-1-one

CAS: 186694-22-4
Formula: C₁₈H₁₈N₂O₃
MW: 310.3 g/mol

VQ-023434

Reference Standard

Oxcarbazepine Related Compound C

CAS: 578-95-0
Formula: C₁₃H₉NO
MW: 195.22 g/mol

VQ-005455

Reference Standard

Oxcarbazepine WS

CAS: 28721-07-5
Formula: C₁₅H₁₂N₂O₂
MW: 252.27 g/mol

In stock

Reference Standard

Oxcarbazepine-10-O-D-Glucuronide

CAS: 144407-84-1
Formula: C₂₁H₂₂N₂O₈
MW: 430.4 g/mol

VQ-033005

Laboratory Chemicals & Reagents View all

Solvents View all

Life Science & Biochemicals View all

APIs & Bulk Drugs View all

Impurities & Reference Standards View all

Pharma Intermediates & Building Blocks View all

Inorganic Chemicals, Metals & Advanced Materials View all

Industrial & Specialty Chemicals View all

Chemicals starting with “O”