Chemicals starting with “R”

1,346 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

Riociguat Triamino Impurity

CAS: 428854-24-4
Formula: C₁₇H₁₅FN₈
MW: 350.4 g/mol

VQ-033553

Reference Standard

Riociguat USP Related Compound C

CAS: 2920299-23-4
Formula: C₂₁H₂₁FN₈O₂
MW: 436.4 g/mol

In stock

Reference Standard

Riociguat-13C-D3

CAS: 2749393-44-8
Formula: C₂₀H₁₉FN₈O₂
MW: 426.4 g/mol

VQ-044254

RIPA Buffer

Cat. No.: VQ-003402

VQ-003402

Reference Standard

Ripasudil

CAS: 223645-67-8
Formula: C₁₅H₁₈FN₃O₂S
MW: 323.4 g/mol

VQ-041926

Reference Standard

Ripasudil Monohydrochloride Dihydrate

CAS: 887375-67-9
Formula: C₁₅H₂₃ClFN₃O₄S
MW: 395.9 g/mol

VQ-027830

Reference Standard

Ripretinib

CAS: 1442472-39-0
Formula: C₂₄H₂₁BrFN₅O₂
MW: 510.4 g/mol

VQ-027832

Reference Standard

Risdiplam

CAS: 1825352-65-5
Formula: C₂₂H₂₃N₇O
MW: 401.5 g/mol

In stock

Reference Standard

Risdiplam Formyl Impurity

Formula: C₂₃H₂₃N₇O₂
MW: 429.5 g/mol

In stock

Reference Standard

Risdiplam Metabolite M1

CAS: 2250441-24-6
Formula: C₂₂H₂₃N₇O₂
MW: 417.5 g/mol

VQ-023641

Reference Standard

Risedronate EP Impurity A

CAS: 1486617-90-6
Formula: C₁₄H₁₈N₂O₁₂P₄
MW: 530.19 g/mol

VQ-023644

Reference Standard

Risedronate EP Impurity A (Disodium Tetrahydrate)

CAS: 2922985-14-4
Formula: C₁₄H₂₀N₂NaO₁₃P₄
MW: 648.24 g/mol

VQ-041931

Reference Standard

Risedronate EP Impurity A Disodium

CAS: 1486466-30-1
Formula: C₁₄H₁₆N₂Na₂O₁₂P₄
MW: 574.16 g/mol

VQ-043279

Reference Standard

Risedronate EP Impurity B

CAS: 105462-23-5
Formula: C₇H₁₁NO₇P₂
MW: 283.11 g/mol

VQ-023642

Reference Standard

Risedronate EP Impurity C

CAS: 105462-25-7
Formula: C₇H₁₁NO₇P₂
MW: 283.11 g/mol

VQ-023643

IP/BP/USP

Risedronate Sodium

CAS: 115436-72-1
Formula: C₇H₁₀NNaO₇P₂
MW: 305.09 g/mol

VQ-004143

Reference Standard

Risedronate Sodium EP Impurity B (Monohydrate Salt)

CAS: 1220806-40-5
Formula: C₇H₁₃NO₈P₂
MW: 301.13 g/mol

VQ-033565

Reference Standard

Risedronate Sodium EP Impurity E

CAS: 75755-10-1
Formula: C₇H₁₁NO₆P₂
MW: 267.11 g/mol

VQ-023645

Reference Standard

Risedronate Sodium Hemipentahydrate

CAS: 329003-65-8
Formula: C₁₄H₃₀N₂Na₂O₁₉P₄
MW: 700.26 g/mol

VQ-033564

Reference Standard

Risedronate Sodium Hydrate

CAS: 353228-19-0
Formula: C₇H₁₂NNaO₈P₂
MW: 323.11 g/mol

VQ-041930

Reference Standard

Risedronic acid

CAS: 105462-24-6
Formula: C₇H₁₁NO₇P₂
MW: 283.11 g/mol

VQ-023646

Reference Standard

Risedronic acid-d4

CAS: 1035438-80-2
Formula: C₇H₁₁NO₇P₂
MW: 287.14 g/mol

VQ-033566

Reference Standard

Risperidone

CAS: 106266-06-2
Formula: C₂₃H₂₇FN₄O₂
MW: 410.5 g/mol

In stock

Reference Standard

Risperidone - Impurity J

CAS: 1346606-24-3
Formula: C₃₅H₄₀F₂N₆O₃
MW: 630.7 g/mol

VQ-033567

Reference Standard

Risperidone cis-N-oxide Monohydrate

CAS: 1894509-67-1
Formula: C₂₃H₂₇FN₄O₃
MW: 426.5 g/mol

VQ-033576

Reference Standard

Risperidone Degradation Product

CAS: 832747-59-8
Formula: C₁₁H₁₄N₂O
MW: 190.24 g/mol

VQ-027838

Reference Standard

Risperidone Difluoro Acetyl Impurity

CAS: 84162-82-3
Formula: C₁₄H₁₅F₂NO₂
MW: 267.27 g/mol

In stock

Reference Standard

Risperidone Dimer Impurity

CAS: 531524-17-1
Formula: C₂₄H₂₅FN₄O₂
MW: 420.5 g/mol

In stock

Reference Standard

Risperidone E,Z-Oxime (Mixture)

CAS: 158697-66-6
Formula: C₂₃H₂₈F₂N₄O₂
MW: 430.5 g/mol

VQ-033569

Reference Standard

Risperidone EP Impurity A

CAS: 691007-09-7
Formula: C₂₃H₂₈F₂N₄O₂
MW: 430.5 g/mol

VQ-006638

Reference Standard

Risperidone EP Impurity B

CAS: 132961-05-8
Formula: C₂₃H₂₈F₂N₄O₂
MW: 430.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity C

CAS: 144598-75-4
Formula: C₂₃H₂₇FN₄O₃
MW: 426.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity D

CAS: 1199589-74-6
Formula: C₂₃H₂₇FN₄O₂
MW: 410.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity E

CAS: 1346602-28-5
Formula: C₂₄H₂₉FN₄O₂
MW: 424.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity F

CAS: 1346603-86-8
Formula: C₂₄H₂₇FN₄O₄
MW: 454.5 g/mol

VQ-027835

Reference Standard

Risperidone EP Impurity H

CAS: 158697-67-7
Formula: C₂₃H₂₇F₂N₃O₂
MW: 415.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity I

CAS: 1329796-66-8
Formula: C₃₅H₃₉F₂N₅O₃
MW: 615.7 g/mol

In stock

Reference Standard

Risperidone EP Impurity K

CAS: 106266-09-5
Formula: C₂₃H₂₈N₄O₂
MW: 392.5 g/mol

In stock

Reference Standard

Risperidone EP Impurity L

CAS: 63234-80-0
Formula: C₁₁H₁₅ClN₂O
MW: 226.7 g/mol

VQ-006646

Reference Standard

Risperidone EP Impurity L (Hydrochloride)

CAS: 93076-03-0
Formula: C₁₁H₁₆Cl₂N₂O
MW: 263.16 g/mol

VQ-006647

Reference Standard

Risperidone EP Impurity M (Freebase)

CAS: 84163-77-9
Formula: C₁₂H₁₃FN₂O
MW: 220.24 g/mol

VQ-006648

Reference Standard

Risperidone EP Impurity M (Hydrochloride)

CAS: 84163-13-3
Formula: C₁₂H₁₄ClFN₂O
MW: 256.7 g/mol

In stock

Reference Standard

Risperidone Ethyl Impurity

CAS: 70381-58-7
Formula: C₁₁H₁₆N₂O
MW: 192.26 g/mol

VQ-041933

Reference Standard

Risperidone Hydroxyethyl Impurity

CAS: 66698-27-9
Formula: C₁₁H₁₆N₂O₂
MW: 208.26 g/mol

VQ-027839

Reference Standard

Risperidone Impurity 3

CAS: 84162-80-1
Formula: C₁₃H₁₃F₂NO₂
MW: 253.24 g/mol

VQ-033572

Reference Standard

Risperidone Impurity Adduct

Formula: C₃₅H₃₉FN₆O₃
MW: 610.72 g/mol

In stock

Reference Standard

Risperidone N-Oxide

CAS: 832747-55-4
Formula: C₂₃H₂₇FN₄O₃
MW: 426.5 g/mol

In stock

Reference Standard

Risperidone Related Compound 8

CAS: 41078-70-0
Formula: C₁₁H₁₁ClN₂O
MW: 222.67 g/mol

In stock

Reference Standard

Risperidone Trans N-Oxide

CAS: 1200448-51-6
Formula: C₂₃H₂₇FN₄O₄
MW: 442.5 g/mol

VQ-045383

Reference Standard

Risperidone USP Related Compound G

CAS: 152542-00-2
Formula: C₂₃H₂₈FN₃O₃
MW: 413.5 g/mol

In stock

Reference Standard

Risperidone-d4

CAS: 1020719-76-9
Formula: C₂₃H₂₇FN₄O₂
MW: 414.5 g/mol

VQ-033574

Reference Standard

Risperidone-d6

CAS: 1225444-65-4
Formula: C₂₃H₂₇FN₄O₂
MW: 416.5 g/mol

VQ-033575

Reference Standard

Ritlecitinib

CAS: 1792180-81-4
Formula: C₁₅H₁₉N₅O
MW: 285.34 g/mol

In stock

Reference Standard

Ritlecitinib Des Methyl Vinyl ketone Impurity

CAS: 2042650-70-2
Formula: C₁₂H₁₇N₅
MW: 231.3 g/mol

VQ-041939

Reference Standard

Ritlecitinib Dimer Impurity

CAS: 2374827-88-8
Formula: C₃₀H₃₈N₁₀O₂
MW: 570.69 g/mol

VQ-041938

Reference Standard

Ritlecitinib Tosylate

CAS: 2192215-81-7
Formula: C₂₂H₂₇N₅O₄S
MW: 457.5 g/mol

In stock

Reference Standard

Ritonavir

CAS: 155213-67-5
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-023648

Reference Standard

Ritonavir Enantiomer

CAS: 2872582-94-8
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-043280

Reference Standard

Ritonavir EP Impurity A

CAS: 154212-61-0
Formula: C₁₄H₂₃N₃O₃S
MW: 313.42 g/mol

In stock

Reference Standard

Ritonavir EP Impurity B

CAS: 765875-58-9
Formula: C₂₈H₃₆N₄O₄S
MW: 524.7 g/mol

VQ-023656

Reference Standard

Ritonavir EP Impurity C

CAS: 1010808-43-1
Formula: C₂₅H₂₉N₃O₄S
MW: 467.6 g/mol

VQ-023654

Reference Standard

Ritonavir EP Impurity D

CAS: 144142-33-6
Formula: C₂₈H₃₀N₄O₅S₂
MW: 566.7 g/mol

In stock

Reference Standard

Ritonavir EP Impurity E

CAS: 176655-56-4
Formula: C₃₇H₄₈N₆O₆S₂
MW: 736.9 g/mol

VQ-023652

Reference Standard

Ritonavir EP Impurity F

CAS: 1010809-61-6
Formula: C₂₉H₃₄N₄O₅S
MW: 550.7 g/mol

VQ-023649

Reference Standard

Ritonavir EP Impurity G

CAS: 2034136-66-6
Formula: C₃₇H₄₈N₆O₇S₂
MW: 752.9 g/mol

VQ-023653

Reference Standard

Ritonavir EP Impurity H

CAS: 1010809-43-4
Formula: C₃₀H₃₂N₄O₆S
MW: 576.7 g/mol

VQ-023650

Reference Standard

Ritonavir EP Impurity I

CAS: 165315-26-4
Formula: C₃₆H₄₆N₆O₅S₂
MW: 706.9 g/mol

VQ-023657

Reference Standard

Ritonavir EP Impurity J

CAS: 162849-95-8
Formula: C₂₈H₃₅N₃O₅S
MW: 525.7 g/mol

In stock

Reference Standard

Ritonavir EP Impurity K

CAS: 1010809-39-8
Formula: C₂₈H₃₅N₃O₅S
MW: 525.7 g/mol

VQ-023658

Reference Standard

Ritonavir EP Impurity L

CAS: 256328-82-2
Formula: C₃₃H₄₃N₅O₄S
MW: 605.8 g/mol

In stock

Reference Standard

Ritonavir EP Impurity N

CAS: 202816-62-4
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-023659

Reference Standard

Ritonavir EP Impurity O

CAS: 1414933-81-5
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-023651

Reference Standard

Ritonavir EP Impurity P

CAS: 2804644-96-8
Formula: C₄₇H₅₂N₆O₇S₂
MW: 877.1 g/mol

VQ-023655

Reference Standard

Ritonavir EP Impurity Q

CAS: 1414933-82-6
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-027841

Reference Standard

Ritonavir EP Impurity R

CAS: 1414933-80-4
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-023660

Reference Standard

Ritonavir EP Impurity S

CAS: 2084828-53-3
Formula: C₅₂H₆₁N₇O₈S₂
MW: 976.2 g/mol

VQ-027842

Reference Standard

Ritonavir EP Impurity T

CAS: 869368-48-9
Formula: C₄₆H₆₆N₈O₅S₂
MW: 875.2 g/mol

In stock

Reference Standard

Ritonavir Geo-isomer

CAS: 959315-21-0
Formula: C₃₇H₄₈N₆O₅S₂
MW: 720.9 g/mol

VQ-033581

Reference Standard

Ritonavir Hydroxy impurity

CAS: 2519851-81-9
Formula: C₁₄H₂₃N₃O₄S
MW: 329.42 g/mol

VQ-033585

Reference Standard

Ritonavir Impurity 34

CAS: 80232-90-2
Formula: C₇H₁₂N₂S
MW: 156.25 g/mol

VQ-040964

Reference Standard

Ritonavir Impurity A RRT 5.78

CAS: 959351-57-6
Formula: C₃₁H₄₁N₅O₅S
MW: 595.8 g/mol

VQ-033583

Reference Standard

Ritonavir L-valine Derivative

CAS: 2084828-52-2
Formula: C₁₆H₂₇N₃O₃S
MW: 341.47 g/mol

In stock

Reference Standard

Ritonavir MTV-III Isoleucine Analog Impurity

CAS: 1260720-78-2
Formula: C₁₅H₂₅N₃O₃S
MW: 327.4 g/mol

VQ-044449

Reference Standard

Ritonavir-d6

CAS: 1217720-20-1
Formula: C₃₇H₄₈N₆O₅S₂
MW: 727 g/mol

VQ-041943

Reference Standard

Rivaroxaban 3-Hydroxy Metabolite

CAS: 1159977-46-4
Formula: C₁₉H₁₈ClN₃O₆S
MW: 451.9 g/mol

VQ-041966

Reference Standard

Rivaroxaban 4-Hydroxy Metabolite

CAS: 1161719-51-2
Formula: C₁₉H₁₈ClN₃O₆S
MW: 451.9 g/mol

VQ-041967

Reference Standard

Rivaroxaban Amide Dimer

CAS: 1838133-00-8
Formula: C₂₃H₂₁Cl₂N₃O₅S₂
MW: 554.5 g/mol

VQ-033592

Reference Standard

Rivaroxaban Aminomethyl Hydrochloride Impurity

CAS: 898543-06-1
Formula: C₁₄H₁₈ClN₃O₄
MW: 327.76 g/mol

In stock

Reference Standard

Rivaroxaban Aminomethyl Impurity

CAS: 446292-10-0
Formula: C₁₄H₁₇N₃O₄
MW: 291.3 g/mol

VQ-005785

Reference Standard

Rivaroxaban Chlorohydrin Dimer

Formula: C₁₆H₂₂Cl₂N₂O₄
MW: 377.3 g/mol

In stock

Reference Standard

Rivaroxaban CMTCA Impurity

CAS: 97799-98-9
Formula: C₆H₆ClNOS
MW: 175.64 g/mol

VQ-023661

Reference Standard

Rivaroxaban Des Oxazolidinyl Impurity

CAS: 1807854-60-9
Formula: C₁₅H₁₃ClN₂O₃S
MW: 336.79 g/mol

VQ-033617

Reference Standard

Rivaroxaban Descarbonyl Impurity

CAS: 721401-53-2
Formula: C₁₈H₂₀ClN₃O₄S
MW: 409.9 g/mol

In stock

Reference Standard

Rivaroxaban Dialkyl Impurity

CAS: 2206360-84-9
Formula: C₁₆H₂₂Cl₂N₂O₄
MW: 377.3 g/mol

VQ-005787

Reference Standard

Rivaroxaban Diol

CAS: 1160170-00-2
Formula: C₁₉H₂₀ClN₃O₆S
MW: 453.9 g/mol

VQ-021332

Reference Standard

Rivaroxaban Dioxazolidine Impurity

Formula: C₂₈H₃₁N₅O₈
MW: 565.57 g/mol

In stock

Reference Standard

Rivaroxaban Dioxazolidine impurity

CAS: 2809182-22-5
Formula: C₂₈H₃₁N₅O₈
MW: 565.6 g/mol

VQ-033593

Reference Standard

Rivaroxaban EP Impurity A

CAS: 865479-71-6
Formula: C₁₉H₁₈ClN₃O₅S
MW: 435.9 g/mol

In stock

Reference Standard

Rivaroxaban EP Impurity B

CAS: 1429334-00-8
Formula: C₁₆H₁₉N₃O₅
MW: 333.34 g/mol

VQ-023662

Reference Standard

Rivaroxaban EP Impurity D

CAS: 1365267-35-1
Formula: C₂₉H₃₂N₆O₉
MW: 608.6 g/mol

In stock

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Chemicals starting with “R”