Chemicals starting with “A”

2,724 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

Asenapine Lactam Impurity

CAS: 934996-79-9
Formula: C₁₇H₁₂ClNO₂
MW: 297.7 g/mol

VQ-004447

Reference Standard

Asenapine Maleate N-Oxide Impurity

CAS: 1367373-77-0
Formula: C₁₇H₁₆ClNO₂
MW: 301.8 g/mol

In stock

Reference Standard

Asenapine N-Oxide

CAS: 128949-51-9
Formula: C₁₇H₁₆ClNO₂
MW: 301.8 g/mol

VQ-024372

Reference Standard

Asenapine Pyrrolidine-2,4-dione Impurity

CAS: 1162120-35-5
Formula: C₁₇H₁₄ClNO₃
MW: 315.7 g/mol

VQ-029227

Reference Standard

Asenapine Tetradehydro Impurity

CAS: 129385-60-0
Formula: C₁₇H₁₂ClNO
MW: 281.7 g/mol

In stock

Asiatic Acid

CAS: 464-92-6
Formula: C₃₀H₄₈O₅
MW: 488.7 g/mol

VQ-039182

Reference Standard

Asiaticoside

CAS: 16830-15-2
Formula: C₄₈H₇₈O₁₉
MW: 959.1 g/mol

VQ-024375

Reference Standard

Asp-5-Oxytocin

CAS: 65907-78-0
Formula: C₄₃H₆₅N₁₁O₁₃S₂
MW: 1008.2 g/mol

VQ-027344

Reference Standard

Asp7 Linaclotide Impurity

CAS: 1207977-38-5
Formula: C₅₉H₇₈N₁₄O₂₂S₆
MW: 1527.7 g/mol

VQ-038043

Reference Standard

Asparagine EP Impurity C

CAS: 98490-54-1
Formula: C₈H₁₂N₄O₄
MW: 228.21 g/mol

VQ-035424

IP/BP/USP

Aspartame

CAS: 22839-47-0
Formula: C₁₄H₁₈N₂O₅
MW: 294.3 g/mol

VQ-004225

Reference Standard

Aspartame EP Impurity A

CAS: 5262-10-2
Formula: C₁₃H₁₄N₂O₄
MW: 262.26 g/mol

VQ-024376

Reference Standard

Aspartame EP Impurity B

CAS: 13433-09-5
Formula: C₁₃H₁₆N₂O₅
MW: 280.28 g/mol

VQ-021630

Reference Standard

Aspartame EP Impurity C

CAS: 63-91-2
Formula: C₉H₁₁NO₂
MW: 165.19 g/mol

In stock

Reference Standard

Aspartame-d3

CAS: 1356841-28-5
Formula: C₁₄H₁₈N₂O₅
MW: 297.32 g/mol

VQ-043378

Synthesis

Aspartame, 98%

CAS: 22839-47-0
Formula: C₁₄H₁₈N₂O₅
MW: 294.3 g/mol

VQ-002369

Reference Standard

Aspartic Acid - Impurity C (Magnesium Salt Hydrobromide)

CAS: 53459-38-4
Formula: C₅H₈BrMgNO₄
MW: 250.33 g/mol

VQ-048754

Reference Standard

Aspartic acid-D3

CAS: 14341-75-4
Formula: C₄H₇NO₄
MW: 136.12 g/mol

VQ-048759

Reference Standard

Aspirin Impurity F

CAS: 1466-82-6
Formula: C₁₈H₁₄O₇
MW: 342.3 g/mol

VQ-021418

Reference Standard

Aspirin-d4

CAS: 97781-16-3
Formula: C₉H₈O₄
MW: 184.18 g/mol

VQ-024131

IP/BP/USP

Astaxanthin

CAS: 472-61-7
Formula: C₄₀H₅₂O₄
MW: 596.8 g/mol

VQ-004226

Reference Standard

Astemizole

CAS: 68844-77-9
Formula: C₂₈H₃₁FN₄O
MW: 458.6 g/mol

VQ-034785

Practical

Astragaloside IV, >1%

CAS: 84687-43-4
Formula: C₄₁H₆₈O₁₄
MW: 785 g/mol

VQ-003789

Puriss

Astragaloside IV, 98%+

CAS: 84687-43-4
Formula: C₄₁H₆₈O₁₄
MW: 785 g/mol

VQ-003788

Reference Standard

Asunaprevir

CAS: 630420-16-5
Formula: C₃₅H₄₆ClN₅O₉S
MW: 748.3 g/mol

VQ-045243

Asuntol

CAS: 56-72-4
Formula: C₁₄H₁₆ClO₅PS
MW: 362.8 g/mol

VQ-039798

Reference Standard

Ataluren

CAS: 775304-57-9
Formula: C₁₅H₉FN₂O₃
MW: 284.24 g/mol

VQ-029230

Reference Standard

Ataluren-d4

CAS: 1922064-61-6
Formula: C₁₅H₉FN₂O₃
MW: 288.27 g/mol

VQ-047455

Reference Standard

Atazanavir

CAS: 198904-31-3
Formula: C₃₈H₅₂N₆O₇
MW: 704.9 g/mol

VQ-024379

Reference Standard

Atazanavir Amine Analog

CAS: 1028634-76-5
Formula: C₃₆H₅₀N₆O₅
MW: 646.8 g/mol

VQ-024382

Reference Standard

Atazanavir Diol Impurity

CAS: 73488-74-1
Formula: C₁₅H₂₃NO₄
MW: 281.35 g/mol

VQ-035815

Reference Standard

Atazanavir EP Impurity A

CAS: 4385-62-0
Formula: C₁₂H₉NO₂
MW: 199.2 g/mol

VQ-021639

Reference Standard

Atazanavir EP Impurity B Hydrochloride

CAS: 2549012-96-4
Formula: C₁₂H₁₀ClNO
MW: 219.66 g/mol

VQ-035421

Reference Standard

Atazanavir EP Impurity G

CAS: 1332981-16-4
Formula: C₃₈H₅₂N₆O₇
MW: 704.9 g/mol

VQ-020843

Reference Standard

Atazanavir EP Impurity J

CAS: 198904-86-8
Formula: C₃₂H₄₂N₄O₅
MW: 562.7 g/mol

VQ-021633

Reference Standard

Atazanavir Hydrazine Analog

CAS: 437713-06-9
Formula: C₂₂H₂₆N₄O
MW: 362.5 g/mol

VQ-024380

Reference Standard

Atazanavir Impurity 12

CAS: 198904-84-6
Formula: C₁₇H₁₉N₃O₂
MW: 297.35 g/mol

VQ-035810

Reference Standard

Atazanavir Impurity 15

CAS: 857900-54-0
Formula: C₃₀H₃₉N₅O₄
MW: 533.66 g/mol

VQ-029232

Reference Standard

Atazanavir Impurity 16

CAS: 2131010-71-2
Formula: C₄₆H₆₅N₇O₁₀
MW: 876 g/mol

VQ-035812

Reference Standard

Atazanavir Impurity 2

CAS: 198904-33-5
Formula: C₃₇H₅₀N₆O₇
MW: 690.8 g/mol

VQ-044035

Reference Standard

Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC)

CAS: 1006868-81-0
Formula: C₃₂H₄₂N₄O₅
MW: 562.7 g/mol

VQ-024385

Reference Standard

Atazanavir KSM- 2 R,R Isomer

CAS: 98818-34-9
Formula: C₁₅H₂₁NO₃
MW: 263.33 g/mol

VQ-024381

Reference Standard

Atazanavir RS3 Impurity

CAS: 765254-57-7
Formula: C₃₀H₃₉N₅O₄
MW: 533.7 g/mol

VQ-029235

Reference Standard

Atazanavir RS8 Impurity

CAS: 1292296-12-8
Formula: C₃₇H₄₈N₆O₆
MW: 672.81 g/mol

VQ-035813

Reference Standard

Atazanavir RS9 Impurity

CAS: 1292296-13-9
Formula: C₃₇H₄₈N₆O₆
MW: 672.8 g/mol

VQ-035814

Reference Standard

Atazanavir S,S,R,S-Diastereomer

CAS: 1292296-10-6
Formula: C₃₈H₅₂N₆O₇
MW: 704.9 g/mol

VQ-021636

Reference Standard

Atazanavir sulfate

CAS: 229975-97-7
Formula: C₃₈H₅₄N₆O₁₁S
MW: 802.9 g/mol

VQ-021632

Reference Standard

Atazanavir Valine Analog

CAS: 198904-34-6
Formula: C₃₇H₅₀N₆O₇
MW: 690.8 g/mol

VQ-035342

Reference Standard

Atazanavir-d6

CAS: 1092540-50-5
Formula: C₃₈H₅₂N₆O₇
MW: 710.9 g/mol

VQ-029237

IP/BP/USP

Atenolol

CAS: 29122-68-7
Formula: C₁₄H₂₂N₂O₃
MW: 266.34 g/mol

VQ-004079

Reference Standard

Atenolol beta-D-Glucuronide

CAS: 889359-84-6
Formula: C₂₀H₃₀N₂O₉
MW: 442.5 g/mol

VQ-029240

Reference Standard

Atenolol Cyano Epoxide

CAS: 35198-42-6
Formula: C₁₁H₁₁NO₂
MW: 189.21 g/mol

VQ-024387

Reference Standard

Atenolol EP Impurity A

CAS: 17194-82-0
Formula: C₈H₉NO₂
MW: 151.16 g/mol

VQ-021640

Reference Standard

Atenolol EP Impurity B

CAS: 61698-76-8
Formula: C₁₁H₁₅NO₄
MW: 225.24 g/mol

VQ-021641

Reference Standard

Atenolol EP Impurity C

CAS: 29122-69-8
Formula: C₁₁H₁₃NO₃
MW: 207.23 g/mol

VQ-021642

Reference Standard

Atenolol EP Impurity D

CAS: 115538-83-5
Formula: C₁₁H₁₄ClNO₃
MW: 243.68 g/mol

VQ-021643

Reference Standard

Atenolol EP impurity E

CAS: 141650-31-9
Formula: C₁₉H₂₂N₂O₅
MW: 358.4 g/mol

VQ-021644

Reference Standard

Atenolol EP Impurity F

CAS: 87619-83-8
Formula: C₂₅H₃₅N₃O₆
MW: 473.6 g/mol

VQ-021645

Reference Standard

Atenolol EP Impurity G

CAS: 56392-14-4
Formula: C₁₄H₂₁NO₄
MW: 267.32 g/mol

VQ-020845

Reference Standard

Atenolol EP Impurity H

CAS: 29277-73-4
Formula: C₁₄H₂₀N₂O₂
MW: 248.32 g/mol

VQ-021646

Reference Standard

Atenolol EP Impurity I

CAS: 1797116-92-7
Formula: C₁₃H₂₀N₂O₃
MW: 252.31 g/mol

VQ-020846

Reference Standard

Atenolol EP Impurity J

CAS: 81346-71-6
Formula: C₁₁H₁₆N₂O₃
MW: 224.26 g/mol

VQ-021647

Reference Standard

Atenolol-d7

CAS: 1202864-50-3
Formula: C₁₄H₂₂N₂O₃
MW: 273.38 g/mol

VQ-029241

Reference Standard

Atipamezole Hydrochloride

CAS: 104075-48-1
Formula: C₁₄H₁₇ClN₂
MW: 248.75 g/mol

VQ-024389

Reference Standard

Atipamezole Impurity 3

CAS: 2581300-47-0
Formula: C₃₃H₃₀N₂O₂
MW: 486.6 g/mol

VQ-035333

Reference Standard

Atogepant

CAS: 1374248-81-3
Formula: C₂₉H₂₃F₆N₅O₃
MW: 603.5 g/mol

VQ-024390

Reference Standard

Atogepant Enantiomer

CAS: 2733814-47-4
Formula: C₂₉H₂₃F₆N₅O₃
MW: 603.5 g/mol

VQ-024391

Reference Standard

Atogepant Ester Impurity

CAS: 1375541-24-4
Formula: C₁₆H₁₃N₃O₃
MW: 295.29 g/mol

VQ-042747

Reference Standard

Atogepant Impurity 3

CAS: 1375471-13-8
Formula: C₁₉H₂₂F₆N₂O₃
MW: 440.38 g/mol

VQ-047458

Reference Standard

Atogepant N-Boc Amino Piperidine Impurity

CAS: 1456803-44-3
Formula: C₁₉H₂₂F₆N₂O₃
MW: 440.4 g/mol

VQ-035818

Reference Standard

Atomoxetine

CAS: 83015-26-3
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-029247

Reference Standard

Atomoxetine

CAS: 331731-18-1
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-047335

Reference Standard

Atomoxetine 4-Hydroxy 2-Methyl Impurity

CAS: 540729-12-2
Formula: C₁₆H₁₉NO₂
MW: 257.33 g/mol

VQ-029250

Reference Standard

Atomoxetine D3 Hydrochloride

CAS: 1217776-38-9
Formula: C₁₇H₂₂ClNO
MW: 294.8 g/mol

VQ-029251

Reference Standard

Atomoxetine EP Impurity A

CAS: 56161-70-7
Formula: C₁₆H₁₉NO
MW: 241.33 g/mol

VQ-044953

Reference Standard

Atomoxetine EP Impurity A HCl

CAS: 873310-33-9
Formula: C₁₆H₂₀ClNO
MW: 277.79 g/mol

VQ-021651

Reference Standard

Atomoxetine EP impurity B

CAS: 82857-39-4
Formula: C₁₇H₂₂ClNO
MW: 291.8 g/mol

VQ-020849

Reference Standard

Atomoxetine EP Impurity C Hydrochloride

CAS: 1643684-06-3
Formula: C₁₇H₂₂ClNO
MW: 291.8 g/mol

VQ-021655

Reference Standard

Atomoxetine EP impurity D

CAS: 1643684-02-9
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-043595

Reference Standard

Atomoxetine EP Impurity D HCl

CAS: 1643684-05-2
Formula: C₁₇H₂₂ClNO
MW: 291.8 g/mol

VQ-021654

Reference Standard

Atomoxetine EP Impurity F

CAS: 2727370-25-2
Formula: C₁₇H₂₀FNO
MW: 273.34 g/mol

VQ-024394

Reference Standard

Atomoxetine EP Impurity F

CAS: 1010818-92-4
Formula: C₁₇H₂₀FNO
MW: 273.34 g/mol

VQ-028907

Reference Standard

Atomoxetine EP Impurity G

CAS: 2706536-33-4
Formula: C₂₇H₃₄N₂O₂
MW: 418.6 g/mol

VQ-034954

Reference Standard

Atomoxetine EP Impurity H

CAS: 115290-81-8
Formula: C₁₀H₁₅NO
MW: 165.23 g/mol

VQ-035823

Reference Standard

Atomoxetine Hydrochloride

CAS: 82248-59-7
Formula: C₁₇H₂₂ClNO
MW: 291.8 g/mol

VQ-020848

Reference Standard

Atomoxetine Impurity 6

CAS: 42817-44-7
Formula: C₁₁H₁₅N
MW: 161.24 g/mol

VQ-035826

Reference Standard

Atomoxetine Impurity B

CAS: 105314-53-2
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-024393

Reference Standard

Atomoxetine-d7

CAS: 919104-07-7
Formula: C₁₇H₂₁NO
MW: 262.4 g/mol

VQ-029252

IP/BP/USP

Atorvastatin

CAS: 134523-00-5
Formula: C₃₃H₃₅FN₂O₅
MW: 558.6 g/mol

VQ-004080

Reference Standard

Atorvastatin

CAS: 134523-00-5
Formula: C₃₃H₃₅FN₂O₅
MW: 558.6 g/mol

VQ-007326

Reference Standard

Atorvastatin 2-Hydroxy Sodium

CAS: 163217-75-2
Formula: C₃₃H₃₆FN₂NaO₆
MW: 598.6 g/mol

VQ-034787

Reference Standard

Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Ethyl Ester

CAS: 1624328-52-4
Formula: C₃₅H₃₇FN₂O₄
MW: 568.7 g/mol

VQ-034786

Reference Standard

Atorvastatin 3-Oxo Methyl Ester

CAS: 110862-47-0
Formula: C₃₄H₃₅FN₂O₅
MW: 570.6 g/mol

VQ-043788

Reference Standard

Atorvastatin 3-Oxopropyl Impurity

CAS: 110862-46-9
Formula: C₂₉H₂₇FN₂O₂
MW: 454.5 g/mol

VQ-035084

Reference Standard

Atorvastatin 4-Hydroxy Disodium Salt

CAS: 214217-88-6
Formula: C₃₃H₃₅FN₂O₆
MW: 574.6 g/mol

VQ-034788

Reference Standard

Atorvastatin 5-Oxo Acid

CAS: 1391052-82-6
Formula: C₃₃H₃₃FN₂O₅
MW: 556.6 g/mol

VQ-020852

Reference Standard

Atorvastatin Acetonide Methyl Ester

CAS: 1353049-81-6
Formula: C₃₇H₄₁FN₂O₅
MW: 612.7 g/mol

VQ-024418

Reference Standard

Atorvastatin Acetonide t-Butyl Ester (4S,6R)-Isomer

CAS: 1105067-90-0
Formula: C₄₀H₄₇FN₂O₅
MW: 654.8 g/mol

VQ-021664

Reference Standard

Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6R)-Isomer

CAS: 186508-95-2
Formula: C₁₄H₂₃NO₄
MW: 269.34 g/mol

In stock

Reference Standard

Atorvastatin Acid Sodium salt

CAS: 134523-01-6
Formula: C₃₃H₃₄FN₂NaO₅
MW: 580.6 g/mol

VQ-024412

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Chemicals starting with “A”