Chemicals starting with “P”

3,007 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

Praziquantel EP Impurity C

CAS: 125273-88-3
Formula: C₁₉H₂₂N₂O₄
MW: 342.4 g/mol

VQ-023534

Reference Standard

Praziquantel Oxide Impurity (RRT0.63)

CAS: 180342-63-6
Formula: C₁₉H₂₄N₂O₃
MW: 328.4 g/mol

VQ-033291

Reference Standard

Praziquantel-d11

CAS: 1246343-36-1
Formula: C₁₉H₂₄N₂O₂
MW: 323.5 g/mol

VQ-041610

Reference Standard

Prazosin

CAS: 19216-56-9
Formula: C₁₉H₂₁N₅O₄
MW: 383.4 g/mol

VQ-043516

Reference Standard

Prazosin EP Impurity A

CAS: 23680-84-4
Formula: C₁₀H₁₀ClN₃O₂
MW: 239.66 g/mol

In stock

Reference Standard

Prazosin EP Impurity C

CAS: 60547-97-9
Formula: C₁₄H₁₉N₅O₂
MW: 289.33 g/mol

In stock

Reference Standard

Prazosin oxalate EP Impurity D

CAS: 2668266-50-8
Formula: C₉H₁₂N₂O₂ : C₂H₂O₄
MW: 270.24 g/mol

VQ-043583

Reference Standard

Prazosin-d8

CAS: 1006717-55-0
Formula: C₁₉H₂₁N₅O₄
MW: 391.4 g/mol

VQ-041613

Reference Standard

Pre Doxercalciferol

CAS: 1818286-63-3
Formula: C₂₈H₄₄O₂
MW: 412.6 g/mol

VQ-025396

Reference Standard

Pre-Calcipotriol

CAS: 176302-02-6
Formula: C₂₇H₄₀O₃
MW: 412.6 g/mol

VQ-021957

Reference Standard

Pre-Vitamin D3 Decanoate

CAS: 927822-18-2
Formula: C₃₇H₆₂O₂
MW: 538.9 g/mol

VQ-029771

Reference Standard

Pre-vitamin-D3 Octanoate

CAS: 927822-17-1
Formula: C₃₅H₅₈O₂
MW: 510.8 g/mol

VQ-036278

Reference Standard

Prednicarbate

CAS: 73771-04-7
Formula: C₂₇H₃₆O₈
MW: 488.6 g/mol

VQ-027586

Reference Standard

Prednicarbate EP Impurity B

CAS: 104286-02-4
Formula: C₂₄H₃₂O₇
MW: 432.5 g/mol

VQ-027588

Reference Standard

Prednicarbate EP Impurity C

CAS: 5740-62-5
Formula: C₂₄H₃₂O₆
MW: 416.5 g/mol

VQ-027589

Reference Standard

Prednicarbate EP Impurity D

CAS: 2205-88-1
Formula: C₂₄H₃₂O₇
MW: 432.5 g/mol

VQ-021320

Reference Standard

Prednicarbate EP Impurity E

CAS: 671225-23-3
Formula: C₂₆H₃₄O₈
MW: 474.5 g/mol

VQ-035273

Reference Standard

Prednicarbate EP Impurity F

CAS: 671225-26-6
Formula: C₂₇H₃₈O₈
MW: 490.6 g/mol

VQ-027587

Reference Standard

Prednienic Acid

CAS: 37927-29-0
Formula: C₂₀H₂₆O₅
MW: 346.4 g/mol

VQ-023538

IP/BP/USP

Prednisolone

CAS: 50-24-8
Formula: C₂₁H₂₈O₅
MW: 360.4 g/mol

VQ-004141

Reference Standard

Prednisolone 17,21-Diacetate

CAS: 17652-24-3
Formula: C₂₅H₃₂O₇
MW: 444.5 g/mol

VQ-021913

Reference Standard

Prednisolone 20-Ethyl Ester Impurity

CAS: 182069-19-8
Formula: C₂₅H₃₄O₇
MW: 446.5 g/mol

VQ-031651

Reference Standard

Prednisolone 20α-Hydroxy Impurity

CAS: 15847-24-2
Formula: C₂₁H₃₀O₅
MW: 362.5 g/mol

VQ-043849

Reference Standard

Prednisolone 21-formate

CAS: 2141-22-2
Formula: C₂₂H₂₈O₆
MW: 388.5 g/mol

VQ-027598

Reference Standard

Prednisolone 21-Hemisuccinate Sodium Salt

CAS: 1715-33-9
Formula: C₂₅H₃₁NaO₈
MW: 482.5 g/mol

VQ-031086

Reference Standard

Prednisolone 21-Methanesulfonate

CAS: 35410-28-7
Formula: C₂₂H₃₀O₇S
MW: 438.5 g/mol

VQ-041616

Reference Standard

Prednisolone 21-β-D-Glucuronide

CAS: 512165-95-6
Formula: C₂₇H₃₆O₁₁
MW: 536.6 g/mol

VQ-041622

Reference Standard

Prednisolone Acetate

CAS: 52-21-1
Formula: C₂₃H₃₀O₆
MW: 402.5 g/mol

In stock

Reference Standard

Prednisolone Acetate EP impurity C

CAS: 98523-85-4
Formula: C₂₅H₃₂O₇
MW: 444.5 g/mol

VQ-023536

Reference Standard

Prednisolone Acetate EP Impurity D

CAS: 20423-99-8
Formula: C₂₁H₂₈O₄
MW: 344.4 g/mol

VQ-027595

Reference Standard

Prednisolone Acetate EP Impurity E

CAS: 4380-55-6
Formula: C₂₃H₂₈O₅
MW: 384.5 g/mol

VQ-023544

Reference Standard

Prednisolone D-Homo A derivative

CAS: 95615-71-7
Formula: C₂₁H₂₉O₈P
MW: 440.4 g/mol

VQ-044510

Reference Standard

Prednisolone Dicarbonate Impurity

CAS: 133991-62-5
Formula: C₂₆H₃₄O₉
MW: 490.5 g/mol

VQ-041614

Reference Standard

Prednisolone E-enol aldehyde impurity

CAS: 118864-88-3
Formula: C₂₁H₂₆O₄
MW: 342.4 g/mol

VQ-033303

Reference Standard

Prednisolone EP Impurity D

CAS: 16355-29-6
Formula: C₂₁H₂₈O₆
MW: 376.4 g/mol

VQ-027597

Reference Standard

Prednisolone EP Impurity E

CAS: 95815-58-0
Formula: C₂₁H₂₈O₆
MW: 376.4 g/mol

VQ-027602

Reference Standard

Prednisolone EP Impurity F

CAS: 600-90-8
Formula: C₂₁H₂₈O₅
MW: 360.4 g/mol

VQ-023537

Reference Standard

Prednisolone EP Impurity G

CAS: 2299-46-9
Formula: C₂₁H₃₀O₅
MW: 362.5 g/mol

VQ-027593

Reference Standard

Prednisolone EP Impurity H

CAS: 2427-64-7
Formula: C₂₁H₂₆O₅
MW: 358.4 g/mol

VQ-027592

Reference Standard

Prednisolone EP Impurity I

CAS: 13479-38-4
Formula: C₂₁H₂₈O₄
MW: 344.4 g/mol

VQ-027599

Reference Standard

Prednisolone EP Impurity J

CAS: 1807-14-3
Formula: C₂₁H₂₈O₄
MW: 344.4 g/mol

VQ-023539

Reference Standard

Prednisolone Impurity 10

CAS: 97830-94-9
Formula: C₂₃H₃₄N₆O₅
MW: 474.6 g/mol

VQ-041618

Reference Standard

Prednisolone Impurity 11

CAS: 118866-09-4
Formula: C₂₃H₂₈O₅
MW: 384.5 g/mol

VQ-043928

Reference Standard

Prednisolone Impurity 20

CAS: 68791-68-4
Formula: C₂₄H₃₀ClFO₅
MW: 452.9 g/mol

VQ-041620

Reference Standard

Prednisolone Impurity 7

CAS: 111186-92-6
Formula: C₂₁H₂₆O₅
MW: 358.4 g/mol

VQ-033298

Reference Standard

Prednisolone Pivalate

CAS: 1107-99-9
Formula: C₂₆H₃₆O₆
MW: 444.6 g/mol

VQ-034972

Reference Standard

Prednisolone Sodium Metasulfobenzoate

CAS: 630-67-1
Formula: C₂₈H₃₁NaO₉S
MW: 566.6 g/mol

VQ-033293

Reference Standard

Prednisolone Sodium Phosphate USP Impurity C

CAS: 61549-70-0
Formula: C₂₁H₂₆O₆
MW: 374.4 g/mol

VQ-023541

Reference Standard

Prednisolone Sodium Phosphate USP Impurity D

CAS: 898-84-0
Formula: C₁₉H₂₄O₃
MW: 300.4 g/mol

VQ-033295

Prednisolone sodium phosphate, ≥98%

CAS: 125-02-0
Formula: C₂₁H₂₇Na₂O₈P
MW: 484.4 g/mol

VQ-011565

Reference Standard

Prednisolone WS

CAS: 50-24-8
Formula: C₂₁H₂₈O₅
MW: 360.4 g/mol

In stock

Reference Standard

Prednisolone Z-enol aldehyde Impurity

CAS: 118864-87-2
Formula: C₂₁H₂₆O₄
MW: 342.4 g/mol

VQ-044751

Reference Standard

Prednisolone-17-acetate

CAS: 52628-64-5
Formula: C₂₃H₃₀O₆
MW: 402.5 g/mol

VQ-027596

Reference Standard

Prednisolone-21-Valerate

CAS: 39791-31-6
Formula: C₂₆H₃₆O₆
MW: 444.6 g/mol

VQ-031099

Reference Standard

Prednisone 21-Acetate

CAS: 125-10-0
Formula: C₂₃H₂₈O₆
MW: 400.5 g/mol

VQ-025407

Reference Standard

Prednisone EP Impurity C

CAS: 70522-55-3
Formula: C₂₁H₂₄O₅
MW: 356.4 g/mol

VQ-033307

Reference Standard

Prednisone EP Impurity J

CAS: 78261-67-3
Formula: C₂₀H₂₄O₅
MW: 344.4 g/mol

VQ-027605

Reference Standard

Prednisone EP Impurity K

CAS: 7738-93-4
Formula: C₁₉H₂₂O₃
MW: 298.4 g/mol

VQ-022453

Reference Standard

Prednisone Impurity D

CAS: 10184-69-7
Formula: C₂₁H₂₆O₄
MW: 342.4 g/mol

In stock

Reference Standard

Prednisone Phosphate

CAS: 57099-40-8
Formula: C₂₁H₂₇O₈P
MW: 438.4 g/mol

VQ-023546

Reference Standard

Prednisone sodium phosphate

CAS: 33903-70-7
Formula: C₂₁H₂₅Na₂O₈P
MW: 482.4 g/mol

VQ-033297

Reference Standard

Prednisone WS

CAS: 53-03-2
Formula: C₂₁H₂₆O₅
MW: 358.4 g/mol

In stock

Reference Standard

Prednival

CAS: 15180-00-4
Formula: C₂₆H₃₆O₆
MW: 444.6 g/mol

VQ-027590

IP/BP/USP

Pregabalin

CAS: 148553-50-8
Formula: C₈H₁₇NO₂
MW: 159.23 g/mol

VQ-004056

Reference Standard

Pregabalin 3-Cyano Impurity

CAS: 181289-16-7
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-033308

Reference Standard

Pregabalin Amide dimer

CAS: 1083246-65-4
Formula: C₁₆H₃₂N₂O₃
MW: 300.44 g/mol

VQ-041631

Reference Standard

Pregabalin Carbonitrile

CAS: 861318-48-1
Formula: C₁₁H₁₁N₃O₂
MW: 217.22 g/mol

VQ-041628

Reference Standard

Pregabalin conjugate PD0224377

CAS: 501665-97-0
Formula: C₁₄H₂₅NO₆
MW: 303.35 g/mol

VQ-041637

Reference Standard

Pregabalin conjugate PD0224378

CAS: 466678-44-4
Formula: C₂₀H₃₅NO₁₁
MW: 465.5 g/mol

VQ-033315

Reference Standard

Pregabalin Diacid Impurity

CAS: 5702-99-8
Formula: C₈H₁₄O₄
MW: 174.19 g/mol

VQ-027613

Reference Standard

Pregabalin Diethylamide D-Tartrate

CAS: 1094517-98-2
Formula: C₁₆H₃₂N₂O₇
MW: 364.43 g/mol

VQ-027612

Reference Standard

Pregabalin dimer impurity

CAS: 2361911-35-3
Formula: C₁₇H₃₀N₂O₂
MW: 294.4 g/mol

VQ-027618

Reference Standard

Pregabalin EP Impurity A

CAS: 181289-23-6
Formula: C₈H₁₅NO
MW: 141.21 g/mol

VQ-027611

Reference Standard

Pregabalin EP Impurity B

CAS: 148553-51-9
Formula: C₈H₁₇NO₂
MW: 159.23 g/mol

In stock

Reference Standard

Pregabalin EP impurity D

CAS: 4118-51-8
Formula: C₁₁H₁₄O₃
MW: 194.23 g/mol

In stock

Reference Standard

Pregabalin Hydrochloride

CAS: 530085-00-8
Formula: C₈H₁₈ClNO₂
MW: 195.69 g/mol

VQ-007673

Reference Standard

Pregabalin Impurity E

CAS: 1239692-16-0
Formula: C₁₁H₂₄ClNO₂
MW: 237.77 g/mol

VQ-027617

Reference Standard

Pregabalin Impurity PD0310886

CAS: 466678-49-9
Formula: C₁₄H₂₅NO₆
MW: 303.35 g/mol

VQ-041649

Reference Standard

Pregabalin Methyl Ester Hydrochloride

CAS: 714230-22-5
Formula: C₉H₂₀ClNO₂
MW: 209.71 g/mol

VQ-033311

Reference Standard

Pregabalin N-Methyl Impurity

CAS: 1155843-61-0
Formula: C₉H₁₉NO₂
MW: 173.25 g/mol

VQ-033312

Reference Standard

Pregabalin Potassium

CAS: 914254-26-5
Formula: C₈H₁₇NO₂.K
MW: 198.33 g/mol

VQ-007674

Reference Standard

Pregabalin Sec Amide

CAS: 930585-94-7
Formula: C₁₇H₂₅NO₃
MW: 291.4 g/mol

VQ-041633

Reference Standard

Pregabalin Sodium

CAS: 914254-22-1
Formula: C₈H₁₆NNaO₂
MW: 181.21 g/mol

VQ-007675

Reference Standard

Pregabalin Succinimide Impurity

CAS: 164597-78-8
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-033316

Reference Standard

Pregabalin Trimer impurity

CAS: 3060527-40-1
Formula: C₂₄H₄₂N₂O₄
MW: 422.6 g/mol

VQ-033319

Reference Standard

Pregabalin USP Related Compound C

CAS: 61312-87-6
Formula: C₈H₁₅NO
MW: 141.21 g/mol

In stock

Reference Standard

Pregabalin-d4

CAS: 1276197-54-6
Formula: C₈H₁₇NO₂
MW: 163.25 g/mol

VQ-041651

Reference Standard

Pregn-4-ene-3,20-dione, 9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (11beta,16alpha)

CAS: 3093-36-5
Formula: C₂₄H₃₃FO₅
MW: 420.5 g/mol

VQ-037576

Reference Standard

Pregn-5-ene-20-carboxylic acid, 3-[(1-oxooctadecyl)oxy]-, methyl ester, (3β,20R)

CAS: 33168-64-8
Formula: C₄₁H₇₀O₄
MW: 626.53 g/mol

VQ-044377

Reference Standard

Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene

CAS: 1204325-02-9
Formula: C₂₂H₃₀O₃
MW: 342.5 g/mol

VQ-025689

Reference Standard

Pregna-1,4,9(11)-triene-3,20-dione,21-chloro-17-hydroxy-16-methyl-,(16alpha)

CAS: 151265-36-0
Formula: C₂₂H₂₇ClO₃
MW: 374.9 g/mol

VQ-049156

Reference Standard

Pregna-4,8-diene-3,20-dione

CAS: 83603-61-6
Formula: C₂₁H₂₈O₂
MW: 312.4 g/mol

VQ-043681

Reference Standard

Pregna-chloror1,4-diene-3,20-dione, 9-chloro-alpha11,21-dihydroxy-16-methyl-, (11beta,alpha 16alpha)

CAS: 4306-57-4
Formula: C₂₂H₂₉ClO₄
MW: 392.9 g/mol

VQ-047995

Reference Standard

Pregnanetriol 3-alpha-O-beta-D-Glucuronide

CAS: 74915-85-8
Formula: C₂₇H₄₄O₉
MW: 512.6 g/mol

VQ-041688

Reference Standard

Pregnenediol

CAS: 901-56-4
Formula: C₂₁H₃₄O₂
MW: 318.5 g/mol

VQ-041655

Reference Standard

Pregnenolone

CAS: 145-13-1
Formula: C₂₁H₃₂O₂
MW: 316.5 g/mol

VQ-041652

Reference Standard

Pregnenolone-16-ene Acetate Oxime

CAS: 2174-13-2
Formula: C₂₃H₃₃NO₃
MW: 371.5 g/mol

VQ-021378

Reference Standard

Prenortestosterone

CAS: 1089-78-7
Formula: C₁₈H₂₆O₂
MW: 274.4 g/mol

VQ-043905

Pretilachlor

CAS: 51218-49-6
Formula: C₁₇H₂₆ClNO₂
MW: 311.8 g/mol

VQ-038881

Reference Standard

Pretomanid

CAS: 187235-37-6
Formula: C₁₄H₁₂F₃N₃O₅
MW: 359.26 g/mol

VQ-027619

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 “P”