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All APIs CRMs Stable Isotope Labeled Nitrosamines Impurities Glucuronides Metabolites Other New Products

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Showing 6401–6500 of 6714 standards · Stable Isotope Labeled

U-014015BACK ORDER

Apiosylskimmin-d5

CAS #NA

Mol. formulaC₂₀H₁₉D₅O₁₂

Mol. weight461.43

Details

U-0142BACK ORDER

Uridine-13C5 5’-Monophosphate Disodium Salt

CAS #NA

Mol. formulaC₄¹³C₅H₁₃N₂O₉P. 2Na

Mol. weight329.14 2*22.99

Details

U-0143BACK ORDER

Uridine-13C5

CAS #159496-16-9

Mol. formulaC₄¹³C₅H₁₂N₂O₆

Mol. weight249.16

Details

U-015002BACK ORDER

Uric Acid-13C-15N2

CAS #69-93-2 (non-labelled)

Mol. formula13C 15N2 C4H4N2O3

Mol. weight171.09

Details

U-0153BACK ORDER

5-Methoxyuridine-d3

CAS #NA

Mol. formulaC₁₀H₁₁D₃N₂O₇

Mol. weight277.25

Details

U-0154BACK ORDER

5-Methoxyuridine-13C-d3

CAS #NA

Mol. formulaC₉¹³CH₁₁D₃N₂O₇

Mol. weight278.24

Details

U-018BACK ORDER

Uridine Diphosphate Glucose-13C6 (UDP-Glucose-13C6)

CAS #N/A

Mol. formulaC15H24N2O17P2

Mol. weight572.24

Details

U-018002IN STOCK

Ubrogepant-d5

CAS #NA

Mol. formulaC₂₉H₂₁D₅F₃N₅O₃

Mol. weight554.58

Details

U-021IN STOCK

Ursodiol-d4 (Ursodeoxycholic Acid-d4)

CAS #347841-46-7

Mol. formulaC₂₄H₃₆D₄O₄

Mol. weight396.60

Details

U-022IN STOCK

Glycoursodeoxycholic-2,2,4,4-d4 Acid

CAS #2044276-17-5

Mol. formulaC₂₆H₃₉D₄NO₅

Mol. weight453.66

Details

U-0226BACK ORDER

Ursodiol USP Related Compound H-d5 (Ursodeoxycholic Acid EP Impurity H-d5 , Isoursodeoxycholic Acid-d5)

CAS #NA

Mol. formulaC₂₄H₃₅D₅O₄

Mol. weight397.61

Details

U-0229BACK ORDER

Norursodeoxycholic Acid-d5

CAS #NA

Mol. formulaC₂₃H₃₃D₅O₄

Mol. weight383.58

Details

U-027IN STOCK

Glycoursodeoxycholic Acid-d7

CAS #NA

Mol. formulaC₂₆H₃₈D₅NO₅

Mol. weight456.67

Details

U-028BACK ORDER

Ursodiol-d5 (Ursodeoxycholic Acid-d5)

CAS #93701-18-9

Mol. formulaC₂₄H₃₅D₅O₄

Mol. weight397.61

Details

U-032IN STOCK

Udenafil-d7

CAS #1175992-76-3

Mol. formulaC₂₅H₃₆D₃N₆O₄S

Mol. weight523.70

Details

U-042IN STOCK

Ulifloxacin-d8

CAS #1246820-95-0

Mol. formulaC16H8FN3O3SD8

Mol. weight357.43

Details

U-0511BACK ORDER

5-Acetyluracil-13C-15N2

CAS #NA

Mol. formulaC₅¹³CH₆¹⁵N₂O₃

Mol. weight157.10

Details

U-0513BACK ORDER

Eniluracil-13C-15N2

CAS #1329556-69-5

Mol. formulaC₅¹³CH₄¹⁵N₂O₂

Mol. weight139.09

Details

U-0611BACK ORDER

Hydroxy Urea-15N

CAS #214331-53-0

Mol. formulaCH₄N¹⁵NO₂

Mol. weight77.05

Details

U-0616IN STOCK

Hydantoic Acid-13C2,15N Ethyl Ester

CAS #NA

Mol. formulaC₃¹³C₂H₁₀N¹⁵NO₃

Mol. weight149.12

Details

U-062IN STOCK

Hydroxy Urea-13C-15N2

CAS #1246814-92-5

Mol. formula¹³CH₄¹⁵N₂O₂

Mol. weight79.03

Details

U-0638BACK ORDER

Urea-13C (Fluorouracil EP Impurity G-13C)

CAS #58069-82-2

Mol. formula¹³CH₄N₂O

Mol. weight61.05

Details

U-0639BACK ORDER

Urea-15N2 (Fluorouracil EP Impurity G-15N2)

CAS #2067-80-3

Mol. formulaCH₄¹⁵N₂O

Mol. weight62.04

Details

U-0640BACK ORDER

Urea-13C,15N2 (Fluorouracil EP Impurity G-13C,15N2)

CAS #58069-83-3

Mol. formula¹³CH₄¹⁵N₂O

Mol. weight63.03

Details

U-0641BACK ORDER

Urea-13C,15N (Fluorouracil EP Impurity G-13C,15N)

CAS #78405-35-3

Mol. formula¹³CH₄N¹⁵NO

Mol. weight62.04

Details

U-0642BACK ORDER

Urea-15N (Fluorouracil EP Impurity G-15N)

CAS #71451-00-8

Mol. formulaCH₄N¹⁵NO

Mol. weight61.05

Details

U-0643BACK ORDER

Urea USP Related Compound A-15N3 (Biuret-15N3)

CAS #287484-46-2

Mol. formulaC₂H₅¹⁵N₃O₂

Mol. weight106.06

Details

U-072BACK ORDER

Urapidil-d6

CAS #34661-75-1 (non-labelled)

Mol. formulaC20H23N5O3D6

Mol. weight393.52

Details

U-073IN STOCK

Urapidil-d8

CAS #NA

Mol. formulaC₂₀H₂₁D₈N₅O₃

Mol. weight395.53

Details

U-0811BACK ORDER

N-Desmethyl Ulipristal Acetate-13C-d3

CAS #159681-66-0 (non-labelled)

Mol. formula13C C28H32D3NO4

Mol. weight465.61

Details

U-0812BACK ORDER

Ulipristal-d6

CAS #159811-51-5 (non-labelled)

Mol. formulaC28H29D6NO3

Mol. weight439.63

Details

U-0828BACK ORDER

N-Nitroso N-Desmethyl Ulipristal Acetate-13C-d3

CAS #NA

Mol. formulaC₂₈¹³CH₃₁D₃N₂O₅

Mol. weight494.611

Details

U-089IN STOCK

Ulipristal Acetate-d6

CAS #1621894-64-1

Mol. formulaC₃₀H₃₁D₆NO₄

Mol. weight481.67

Details

U-100006BACK ORDER

Urolithin B-13C6

CAS #NA

Mol. formulaC₇¹³C₆H₄O₃

Mol. weight214.13

Details

U-100009BACK ORDER

Urolithin A-d3 Glucuronide

CAS #NA

Mol. formulaC₁₉H₁₃D₃O₁₀

Mol. weight407.35

Details

U-100010BACK ORDER

Urolithin A-d3 3-Sulfate Potassium Salt

CAS #NA

Mol. formula C₁₃H₄D₃KO₇S

Mol. weight349.37

Details

U-101002BACK ORDER

Undecylenic Acid-d6

CAS #112-38-9 (non-d)

Mol. formulaC11H20O2

Mol. weight184.28

Details

U-103020IN STOCK

Upadacitinib-15N-d2

CAS #NA

Mol. formulaC₁₇H₁₇D₂F₃N₅¹⁵NO

Mol. weight383.38

Details

U-103021BACK ORDER

Upadacitinib-d5

CAS #NA

Mol. formulaC₁₇H₁₄D₅F₃N₆O

Mol. weight385.41

Details

U-105011BACK ORDER

Tetradecanamide-d27

CAS #2389139-97-1

Mol. formulaC₁₄H₂D₂₇NO

Mol. weight 254.56

Details

U-106002IN STOCK

CUR 61414-d8

CAS #NA

Mol. formulaC₃₁H₃₄D₈N₄O₅

Mol. weight558.75

Details

U-107002BACK ORDER

Usaramine-d3

CAS #NA

Mol. formulaC₁₈H₂₂D₃NO₆

Mol. weight354.42

Details

U-107004BACK ORDER

Usaramine N-Oxide-d3

CAS #NA

Mol. formulaC₁₈H₂₂D₃NO₇

Mol. weight370.42

Details

U-108002BACK ORDER

Ubiquinone Q3-d6

CAS #1331655-96-9

Mol. formulaC₂₄H₂₈D₆O₄

Mol. weight392.57

Details

U-112002IN STOCK

Upamostat-d5

CAS #NA

Mol. formulaC₃₂H₄₂D₅N₅O₆S

Mol. weight634.85

Details

U-112003BACK ORDER

Upamostat-d8

CAS #NA

Mol. formulaC₃₂H₃₉D₈N₅O₆S

Mol. weight637.87

Details

U-117002BACK ORDER

Upacicalcet-d5 Sodium Salt

CAS #NA

Mol. formulaC₁₁H₉D₅ClN₃O₆S. Na

Mol. weight356.79 22.99

Details

U-117003BACK ORDER

Upacicalcet-d3 Sodium Salt

CAS #NA

Mol. formulaC₁₁H₁₁D₃ClN₃O₆S. Na

Mol. weight354.78 22.99

Details

U-118002BACK ORDER

Usnic Acid-13C2

CAS #NA

Mol. formulaC₁₆¹³C₂H₁₆O₇

Mol. weight346.30

Details

U-118003BACK ORDER

Usnic Acid-d7

CAS #NA

Mol. formulaC₁₈H₉D₇O₇

Mol. weightt: 351.36

Details

U-120002BACK ORDER

Urocanic Acid-d4

CAS #NA

Mol. formulaC₆H₂D₄N₂O₂

Mol. weight142.15

Details

U-120003IN STOCK

Urocanic Acid-13C2 (E-Isomer)

CAS #NA

Mol. formulaC₄¹³C₂H₆N₂O₂

Mol. weight142.15

Details

V-011IN STOCK

Valacyclovir-d8 HCl

CAS #1279033-32-7

Mol. formulaC₁₃H₁₂D₈N₆O₄. HCl

Mol. weight332.39 36.46

Details

V-0136IN STOCK

Valaciclovir EP Impurity D-d5 (Valacyclovir USP Related Compound D-d5)

CAS #NA

Mol. formulaC₁₅H₁₉D₅N₆O₄

Mol. weight357.43

Details

V-0137IN STOCK

N-Nitroso Valaciclovir EP Impurity D-d5 (N-Nitroso Valacyclovir USP Related Compound D-d5)

CAS #NA

Mol. formulaC₁₅H₁₈D₅N₇O₅

Mol. weight386.42

Details

V-022IN STOCK

rac-Valsartan-d9

CAS #NA

Mol. formulaC₂₄H₂₀D₉N₅O₃

Mol. weight444.58

Details

V-0248IN STOCK

Valsartan-d9

CAS #1089736-73-1

Mol. formulaC₂₄H₂₀D₉N₅O₃

Mol. weight444.58

Details

V-028002BACK ORDER

Vandetanib-d4

CAS #NA

Mol. formulaC₂₂H₂₀D₄BrFN₄O₂

Mol. weight479.39

Details

V-028004BACK ORDER

N-Demethyl Vandetanib-d4

CAS #NA

Mol. formulaC₂₁H₁₈D₄BrFN₄O₂

Mol. weight465.36

Details

V-028006IN STOCK

Vandetanib-d6

CAS #1174683-49-8

Mol. formulaC₂₂H₁₈D₆BrFN₄O₂

Mol. weight481.40

Details

V-029002IN STOCK

Vemurafenib-d7

CAS #1365986-73-7

Mol. formulaC₂₃H₁₁D₇ClF₂N₃O₃S

Mol. weight496.96

Details

V-030002BACK ORDER

VP 14637-13C3

CAS #NA

Mol. formulaC₂₅H₂₂N₁₀O₃

Mol. weight513.49

Details

V-031002BACK ORDER

Vicriviroc-13C-d3

CAS #NA

Mol. formulaC₂₇¹³CH₃₅F₃N₅O₂D₃

Mol. weight537.65

Details

V-032IN STOCK

Venlafaxine-d10 HCl

CAS #1216539-56-8

Mol. formulaC₁₇H₁₇D₁₀NO₂. HCl

Mol. weight287.47 36.46

Details

V-032029IN STOCK

Vancomycin-13C-d3 Ditrifluoroacetate

CAS #NA

Mol. formulaC₆₅¹³CH₇₂D₃Cl₂N₉O₂₄. 2 C₂HF₃O₂

Mol. weight1453.28 2*114.02

Details

V-032034IN STOCK

Vancomycin EP Impurity K-13C2-d6 Ditrifluoroacetate ((N-Methyl-Leu) Vancomycin B-13C2-d6 Ditrifluoroacetate)

CAS #NA

Mol. formulaC₆₅¹³C₂H₇₁D₆Cl₂N₉O₂₄. 2 C₂HF₃O₂

Mol. weight1471.31 2*114.02

Details

V-032044BACK ORDER

N-Nitroso Vancomycin-13C-d3 Trifluoroacetate

CAS #NA

Mol. formulaC₆₅¹³CH₇₁D₃Cl₂N₁₀O₂₅

Mol. weight 1482.27 114.02

Details

V-0327IN STOCK

(S)-O-Desmethyl-Venlafaxine-d6

CAS #1062609-99-7

Mol. formulaC₁₆H₁₉D₆NO₂

Mol. weight269.42

Details

V-0328IN STOCK

(R)-O-Desmethyl-Venlafaxine-d6

CAS #1062609-96-4

Mol. formulaC₁₆H₁₉D₆NO₂

Mol. weight269.42

Details

V-0337IN STOCK

Venlafaxine-d6

CAS #940297-06-3

Mol. formulaC₁₇H₂₁D₆NO₂

Mol. weight283.44

Details

V-0344IN STOCK

Venlafaxine-d6 N-Oxide

CAS #1094598-37-4 (non-labelled)

Mol. formulaC₁₇H₂₁D₆NO₃

Mol. weight299.44

Details

V-0348IN STOCK

Desvenlafaxine-d6 (O-Desmethyl Venlafaxine-d6)

CAS #1062605-69-9

Mol. formulaC₁₆H₁₉D₆NO₂

Mol. weight269.42

Details

V-035006BACK ORDER

Methylcobalamin-13C-d3

CAS #13422-55-4 (non-labelled)

Mol. formula¹³C C₆₂H₈₈D₃CoN₁₃O₁₄P

Mol. weight1348.42

Details

V-035018IN STOCK

Methylcobalamin-d3

CAS #NA

Mol. formulaC₆₃H₈₈D₃CoN₁₃O₁₄P

Mol. weight1347.42

Details

V-036016BACK ORDER

4-Methyl-2-Oxovalerate-d6 Calcium Salt

CAS #NA

Mol. formulaC₆H₄D₆O₃. 1/2Ca

Mol. weight136.18 1/2*40.08

Details

V-036017BACK ORDER

4-Methyl-2-Oxovaleric Acid-d7

CAS #1795020-84-6

Mol. formulaC₆H₃D₇O₃

Mol. weight137.19

Details

V-036021BACK ORDER

Valeric Acid-d5 (Valproic Acid EP Impurity A-d5)

CAS #NA

Mol. formulaC₅H₅D₅O₂

Mol. weight107.16

Details

V-0375BACK ORDER

N,O-Didesmethyl Venlafaxine-13C-d3 ( (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₄¹³CH₂₀D₃NO₂

Mol. weight 253.36

Details

V-0376IN STOCK

N-Nitroso-N,O-Didesmethyl Venlafaxine-13C-d3 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₄¹³CH₁₉D₃N₂O₃

Mol. weight282.36

Details

V-038IN STOCK

Desvenlafaxine-d10 (O-Desmethyl Venlafaxine-d10)

CAS #1062607-49-1

Mol. formulaC₁₆H₁₅D₁₀NO₂

Mol. weight273.44

Details

V-038002BACK ORDER

Ergocalciferol (Vitamin D2)-d6

CAS #1311259-89-8

Mol. formulaC₂₈H₃₈D₆O

Mol. weight402.70

Details

V-038016BACK ORDER

25-Hydroxy Ergocalciferol-d6

CAS #1262843-46-8

Mol. formulaC₂₈H₃₈D₆O₂

Mol. weight418.69

Details

V-038020BACK ORDER

Ergosterol-d5

CAS #NA

Mol. formulaC₂₈H₃₉D₅O

Mol. weight401.69

Details

V-038023BACK ORDER

24,25-Dihydroxyvitamin D2-d3

CAS #118584-50-2

Mol. formulaC₂₈H₄₁D₃O₃

Mol. weight431.68

Details

V-0382BACK ORDER

Venlafaxine Impurity 28-d10 HCl

CAS #NA

Mol. formulaC₂₄H₂₁D₁₀NO₃. HCl

Mol. weight391.58 36.46

Details

V-0385IN STOCK

Venlafaxine EP Impurity D-d3 HCl (Venlafaxine USP Related Compound A-d3, N-Desmethyl Venlafaxine-d3 HCl)

CAS #NA

Mol. formulaC₁₆H₂₂D₃NO₂. HCl

Mol. weight266.40 36.46

Details

V-0386IN STOCK

N-Nitroso Venlafaxine EP Impurity D-d3 (N-Nitroso Venlafaxine USP Related Compound A-d3 (Free Form), N-Nitroso-N-Desmethyl Venlafaxine-d3)

CAS #NA

Mol. formulaC₁₆H₂₁D₃N₂O₃

Mol. weight295.40

Details

V-039002IN STOCK

Vigabatrin-13C-d2 HCl

CAS #2749628-08-6

Mol. formulaC₅¹³CH₉D₂NO₂. HCl

Mol. weight132.16 36.46

Details

V-039023BACK ORDER

Vigabatrin EP Impurity D-d6

CAS #70607-85-1

Mol. formulaC₄H₃D₆NO₂

Mol. weight109.16

Details

V-042IN STOCK

Verapamil-d7 HCl

CAS #1188265-55-5

Mol. formulaC₂₇H₃₁D₇N₂O₄. HCl

Mol. weight461.65 36.46

Details

V-043IN STOCK

Verapamil EP Impurity J-d7 HCl (N-Desmethyl Verapamil-d7 HCl, Norverapamil-d7 HCl)

CAS #1216413-74-9

Mol. formulaC₂₆H₂₉D₇N₂O₄. HCl

Mol. weight447.63 36.46

Details

V-0430BACK ORDER

Verapamil EP Impurity G-d3

CAS #143318-06-3

Mol. formulaC₉H₇D₃O₃

Mol. weight169.19

Details

V-043026IN STOCK

Vortioxetine-d8

CAS #2140316-62-5

Mol. formulaC₁₈H₁₄D₈N₂S

Mol. weight306.50

Details

V-043120IN STOCK

N-Nitroso Vortioxetine-d8

CAS #3105679-76-0

Mol. formulaC₁₈H₁₃D₈N₃OS

Mol. weight335.49

Details

V-0439IN STOCK

N-Nitroso Verapamil EP Impurity J-d7 (N-Nitroso N-Desmethyl Verapamil-d7, N-Nitroso Norverapamil-d7)

CAS #NA

Mol. formulaC₂₆H₂₈D₇N₃O₅

Mol. weight476.62

Details

V-0440IN STOCK

N-Nitroso Verapamil EP Impurity B-d5

CAS #NA

Mol. formulaC₁₁H₁₁D₅N₂O₃

Mol. weight229.29

Details

V-044010IN STOCK

Vernakalant-d6 HCl

CAS #866455-16-5

Mol. formulaC₂₀H₂₅NO₄D₆. HCl

Mol. weight355.51 36.46

Details

V-0441IN STOCK

N-Nitroso Verapamil EP Impurity F-d3 (N-Nitroso Verapamil USP Related Compound A-d3 (Free Form))

CAS #NA

Mol. formulaC₁₇H₂₂D₃N₃O₃

Mol. weight322.42

Details

V-0442IN STOCK

Verapamil EP Impurity G-d6 (Verapamil USP Related Compound E-d6)

CAS #1162658-05-0

Mol. formulaC₉H₄D₆O₃

Mol. weight172.21

Details

V-0443IN STOCK

Verapamil EP Impurity F-d3 HCl (Verapamil USP Related Compound A-d3)

CAS #NA

Mol. formulaC₁₇H₂₃D₃N₂O₂. HCl

Mol. weight293.43 36.46

Details

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