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

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Showing 1–100 of 403 standards · Stable Isotope Labeled

B-013IN STOCK

Benazepril-d5 HCl

CAS #1279026-26-4

Mol. formulaC₂₄H₂₃D₅N₂O₅. HCl

Mol. weight429.53 36.46

Details

B-022IN STOCK

Bicalutamide-d4

CAS #1185035-71-5

Mol. formulaC₁₈H₁₀D₄F₄N₂O₄S

Mol. weight434.40

Details

B-023IN STOCK

(R)-(-)-Bicalutamide-d4

CAS #113299-40-4 (non-d)

Mol. formulaC18H10D4F4N2O4S

Mol. weight373.41

Details

B-025BACK ORDER

S-Bicalutamide-d4

CAS #NA

Mol. formulaC18H10F4N2O4SD4

Mol. weight434.41

Details

B-031IN STOCK

Budesonide-d8 (Mixture of Diastereomers)

CAS #1105542-94-6

Mol. formulaC₂₅H₂₆D₈O₆

Mol. weight438.59

Details

B-0313BACK ORDER

6-Beta-Hydroxy-Budesonide-d7

CAS #N/A

Mol. formulaC25H27O7D7

Mol. weight453.59

Details

B-0321BACK ORDER

6-alpha-Methyl Prednisolone-d3

CAS #N/A

Mol. formulaC22H27O5D3

Mol. weight377.50

Details

B-0369BACK ORDER

(22R)-Budesonide-d8

CAS #NA

Mol. formulaC₂₅H₂₆D₈O₆

Mol. weight438.59

Details

B-051IN STOCK

Bupropion-d9 HCl

CAS #1189725-26-5

Mol. formulaC₁₃H₉D₉ClNO. HCl

Mol. weight248.80 36.46

Details

B-0524BACK ORDER

(R)-Bupropion-d9

CAS #NA

Mol. formulaC13H9ClNOD9

Mol. weight248.80

Details

B-0525BACK ORDER

(S)-Bupropion-d9

CAS #NA

Mol. formulaC13H9ClNOD9

Mol. weight248.80

Details

B-0526IN STOCK

(R,R)-Hydroxy Bupropion-d6

CAS #NA

Mol. formulaC₁₃H₁₂D₆ClNO₂

Mol. weight261.78

Details

B-0527BACK ORDER

(S, S)-Hydroxy Bupropion-d6

CAS #N/A

Mol. formulaC13H12ClNO2D6

Mol. weight261.78

Details

B-053IN STOCK

Bupropion Morpholinol-d6 (Hydroxy Bupropion-d6)

CAS #1216893-18-3

Mol. formulaC₁₃H₁₂D₆ClNO₂

Mol. weight261.78

Details

B-054IN STOCK

rac-threo-Dihydro Bupropion-d9 HCl

CAS #1392209-60-7

Mol. formulaC₁₃H₁₁D₉ClNO. HCl

Mol. weight250.81 36.46

Details

B-057IN STOCK

rac-erythro-Dihydro Bupropion-d9 HCl

CAS #NA

Mol. formulaC₁₃H₁₁D₉ClNO. HCl

Mol. weight250.81 36.46

Details

B-0570BACK ORDER

Hydroxybupropion-d6

CAS #1184984-06-2

Mol. formulaC₁₃H₁₂D₆ClNO₂

Mol. weight 261.78

Details

B-0619BACK ORDER

3'-Hydroxy Bupivacaine-d9

CAS #NA

Mol. formulaC₁₈H₁₉D₉N₂O₂

Mol. weight313.49

Details

B-0620BACK ORDER

N-Nitroso Bupivacaine EP Impurity B-d3 (N-Nitroso Bupivacaine USP Related Compound B-d3)

CAS #NA

Mol. formulaC₁₄H₁₆D₃N₃O₂

Mol. weight264.34

Details

B-0621BACK ORDER

N-Nitroso Bupivacaine EP Impurity B-d6 (N-Nitroso Bupivacaine USP Related Compound B-d6)

CAS #NA

Mol. formulaC₁₄H₁₃D₆N₃O₂

Mol. weight267.36

Details

B-063IN STOCK

Bupivacaine-d9

CAS #474668-57-0

Mol. formulaC₁₈H₁₉D₉N₂O

Mol. weight297.49

Details

B-065007BACK ORDER

Betamethasone 17,21-Dipropionate-d10

CAS #NA

Mol. formulaC28H27FO7D10

Mol. weight514.66

Details

B-065035BACK ORDER

Betamethasone-4,6,6,20,20-d5 21-PhosphateDisodium Salt

CAS #151-73-5 (non-labelled)

Mol. formulaC22H23D5FNa2O8P2

Mol. weight475.46 2 22.99

Details

B-065036IN STOCK

Betamethasone-4,6,11,12,12-d5 21-Acetate

CAS #NA

Mol. formulaC₂₄H₂₆D₅FO₆

Mol. weight439.53

Details

B-065070IN STOCK

Betamethasone-4,6,11,12,12-d5 21-Phosphate

CAS #NA

Mol. formulaC₂₂H₂₅D₅FO₈P

Mol. weight477.48

Details

B-065134IN STOCK

Betamethasone Dipropionate-d5

CAS #NA

Mol. formulaC₂₈H₃₂D₅FO₇

Mol. weight509.63

Details

B-065143IN STOCK

Betamethasone Dipropionate-d6

CAS #NA

Mol. formulaC₂₈H₃₁D₆FO₇

Mol. weight510.63

Details

B-065146IN STOCK

Betamethasone-11,12,21-Propionyl Dipropionate-d6

CAS #NA

Mol. formulaC₂₈H₃₁D₆FO₇

Mol. weight510.63

Details

B-067002IN STOCK

Bucillamine-d6

CAS #65002-17-7 (non-labelled)

Mol. formulaC7H7D6NO3S2

Mol. weight229.34

Details

B-068007BACK ORDER

Busulfan-d8

CAS #116653-28-2

Mol. formulaC6H6D8O6S2

Mol. weight254.34

Details

B-071002IN STOCK

Bromperidol-d4

CAS #NA

Mol. formulaC₂₁H₁₉D₄BrFNO₂

Mol. weight424.35

Details

B-0719IN STOCK

Buspirone EP Impurity A-d8 (Buspirone USP Related Compound A-d8)

CAS #1309283-31-5

Mol. formulaC₈H₄D₈N₄

Mol. weight172.26

Details

B-072IN STOCK

Buspirone-d8

CAS #204395-49-3

Mol. formulaC₂₁H₂₃D₈N₅O₂

Mol. weight393.56

Details

B-0726BACK ORDER

5-Hydroxy Buspirone-d8

CAS #NA

Mol. formulaC₂₁H₂₃D₈N₅O₃

Mol. weight409.56

Details

B-0745IN STOCK

N-Nitroso Buspirone EP Impurity A-d8 (N-Nitroso Buspirone USP Related Compound A-d8)

CAS #NA

Mol. formulaC₈H₃D₈N₅O

Mol. weight201.26

Details

B-0746IN STOCK

Buspirone EP Impurity G-d8 (Buspirone USP Related Compound G-d8)

CAS #2733539-23-4

Mol. formulaC₁₂H₆D₈N₆

Mol. weight250.33

Details

B-0749BACK ORDER

N-Nitroso Buspirone EP Impurity K

CAS #NA

Mol. formulaC₉H₁₂N₂O₃

Mol. weight196.21

Details

B-076002IN STOCK

Bezafibrate-d4

CAS #1189452-53-6

Mol. formulaC₁₉H₁₆D₄ClNO₄

Mol. weight365.85

Details

B-076019BACK ORDER

Bezafibrate Impurity 10-d4 (Hydroxy Bezafibrate-d4)

CAS #NA

Mol. formulaC₁₉H₁₆D₄ClNO₅

Mol. weight 381.85

Details

B-078IN STOCK

6-Hydroxy Buspirone-d8

CAS #1189644-16-3

Mol. formulaC₂₁H₂₃D₈N₅O₃

Mol. weight409.56

Details

B-079011BACK ORDER

Benzbromarone-d4

CAS #3562-84-3 (non-labelled)

Mol. formulaC17H8D4Br2O3

Mol. weight428.11

Details

B-079012BACK ORDER

Benzbromarone Impurity 7-13C3-d2 (6-Hydroxy-Benzbromarone-13C3-d2)

CAS #152831-00-0 (non-labelled)

Mol. formula13C3 C14H10D2Br2O4

Mol. weight445.08

Details

B-079013IN STOCK

Benzbromarone-d5

CAS #NA

Mol. formulaC₁₇H₇D₅Br₂O₃

Mol. weight429.12

Details

B-081BACK ORDER

Benserazide-d3

CAS #322-35-0 (non-d)

Mol. formulaC10H12N3O5D3

Mol. weight260.27

Details

B-0810IN STOCK

Trihydroxybenzyl Hydrazine-15N2-d2 Oxalate

CAS #NA

Mol. formulaC₇H₈D₂¹⁵N₂O₃. C₂H₂O₄

Mol. weight174.17 90.04

Details

B-081018BACK ORDER

Biapenem-13C2,15N3

CAS #NA

Mol. formulaC₁₃¹³C₂H₁₈N¹⁵N₃O₄S

Mol. weight355.36

Details

B-081019BACK ORDER

Biapenem-13C2,15N2

CAS #NA

Mol. formulaC₁₃¹³C₂H₁₈N₂¹⁵N₂O₄S

Mol. weight354.36

Details

B-081020BACK ORDER

Biapenem-15N3

CAS #NA

Mol. formulaC₁₅H₁₈N¹⁵N₃O₄S

Mol. weight353.37

Details

B-083IN STOCK

Trihydroxybenzyl Hydrazine-15N2 Oxalate

CAS #NA

Mol. formulaC₇H₁₀¹⁵N₂O₃. C₂H₂O₄

Mol. weight172.15 90.03

Details

B-084IN STOCK

Benserazide-d3 HCl

CAS #NA

Mol. formulaC₁₀H₁₂D₃N₃O₅. HCl

Mol. weight260.26 36.46

Details

B-085002IN STOCK

4-Dimethylamino Benzoic Acid-d6

CAS #1175002-09-1

Mol. formulaC₉H₅D₆NO₂

Mol. weight171.23

Details

B-085014IN STOCK

Benzoyl Chloride (phenyl-13C6)

CAS #266308-67-2

Mol. formulaC¹³C₆H₅ClO

Mol. weight146.52

Details

B-085017BACK ORDER

4-(Aminomethyl)benzoic acid methyl ester-13C-d3 HCl

CAS #6232-11-7 (non-labelled)

Mol. formula13C C8H8D3NO2. HCl

Mol. weight169.20 36.46

Details

B-085065BACK ORDER

5-Chloro-2-fluoro-Benzoic Acid Related Compound 1-d8

CAS #NA

Mol. formulaC₁₉H₁₁D₈Cl₂FN₂O₂

Mol. weight405.320

Details

B-085066BACK ORDER

5-Chloro-2-fluoro-Benzoic Acid Related Compound 2-d8

CAS #NA

Mol. formulaC₂₂H₁₆D₈Cl₂FN₃O₃S

Mol. weight508.459

Details

B-085069BACK ORDER

5-Chloro-2-fluoro-Benzoic Acid Related Compound 3-d8

CAS #NA

Mol. formulaC₁₉H₁₁D₈Cl₂FN₂O₃

Mol. weight421.319

Details

B-085070BACK ORDER

5-Chloro-2-fluoro-Benzoic Acid Related Compound 4-d8

CAS #NA

Mol. formulaC₂₂H₁₆D₈Cl₂FN₃O₄S

Mol. weight524.458

Details

B-085072BACK ORDER

Pentafluorobenzoic-13C Acid

CAS #749216-74-8

Mol. formulaC₆¹³CHF₅O₂

Mol. weight213.07

Details

B-085076BACK ORDER

4-(Methylamino) Benzoic Acid-d3

CAS #NA

Mol. formulaC₈H6_D₃NO₂

Mol. weight154.18

Details

B-085077BACK ORDER

4-(Methylamino) Benzoic Acid-13C-d3

CAS #NA

Mol. formulaC₇¹³CH₆D₃NO₂

Mol. weight155.18

Details

B-085092BACK ORDER

3,4-Dihydroxy-Benzoic Acid-d3

CAS #NA

Mol. formulaC₇H₃D₃O₄

Mol. weight157.14

Details

B-085098BACK ORDER

Protocatechuic Acid-13C

CAS #99-50-3 (unlabelled)

Mol. formulaC₆¹³CH₆O₄

Mol. weight155.11

Details

B-085112BACK ORDER

Hexadecyl 3,5-Di-tert-butyl-4-Hydroxybenzoate-d4

CAS #NA

Mol. formulaC₃₁H₅₀D₄O₃

Mol. weight478.79

Details

B-085117BACK ORDER

Benzoic-2,4-d2 Acid

CAS #57193-23-4

Mol. formulaC₇H₄D₂O₂

Mol. weight124.14

Details

B-085128IN STOCK

2,3-Difluoro Benzoic Acid-d3

CAS #NA

Mol. formulaC₇HD₃F₂O₂

Mol. weight161.12

Details

B-085130BACK ORDER

2,3,4-Trifluoro Benzoic Acid-13C-d2

CAS #NA

Mol. formulaC₆¹³CHD₂F₃O₂

Mol. weight179.10

Details

B-085132BACK ORDER

2,3,6-Trifluoro Benzoic Acid-13C-d2

CAS #NA

Mol. formulaC₆¹³CHD₂F₃O₂

Mol. weight179.10

Details

B-085134BACK ORDER

2,4,5-Trifluoro Benzoic Acid-13C-d2

CAS #NA

Mol. formulaC₆¹³CHD₂F₃O₂

Mol. weight179.10

Details

B-085136BACK ORDER

3,4,5-Trifluoro Benzoic Acid-13C-d2

CAS #NA

Mol. formulaC₆¹³CHD₂F₃O₂

Mol. weight179.10

Details

B-085138BACK ORDER

2,3,5,6-Tetrafluoro Benzoic Acid-13C-d1

CAS #NA

Mol. formulaC₆¹³CHDF₄O₂

Mol. weight196.08

Details

B-085142BACK ORDER

3,5-bis(Trifluoromethyl) Benzoic Acid-d3

CAS #NA

Mol. formulaC₉HD₃F₆O₂

Mol. weight261.14

Details

B-085147IN STOCK

2,5-Dichloro Benzoic Acid-d3

CAS #NA

Mol. formulaC₇HD₃Cl₂O₂

Mol. weight194.03

Details

B-085149BACK ORDER

2-Chloro-6-Fluorobenzoic Acid-d3

CAS #NA

Mol. formulaC₇HD₃ClFO₂

Mol. weight177.57

Details

B-085151BACK ORDER

3-Chloro-4-Fluorobenzoic Acid-d3

CAS #403-16-7 (non-d)

Mol. formulaC₇HD₃ClFO₂

Mol. weight177.57

Details

B-085155BACK ORDER

5-Chloro-2-Fluorobenzoic Acid-d3

CAS #NA

Mol. formulaC₇HD₃ClFO₂

Mol. weight177.57

Details

B-085157BACK ORDER

2-Chloro-5-(Trifluoromethyl)benzoic Acid-d3

CAS #NA

Mol. formulaC₈HD₃ClF₃O₂

Mol. weight227.58

Details

B-085159BACK ORDER

4-Chloro-3-(Trifluoromethyl)benzoic Acid-d3

CAS #NA

Mol. formulaC₈HD₃ClF₃O₂

Mol. weight227.58

Details

B-085161BACK ORDER

2-Fluoro-5-(Trifluoromethyl)benzoic Acid-d3

CAS #NA

Mol. formulaC₈HD₃F₄O₂

Mol. weight211.13

Details

B-085163BACK ORDER

3-Fluoro-4-(Trifluoromethyl)benzoic Acid-d3

CAS #NA

Mol. formulaC₈HD₃F₄O₂

Mol. weight211.13

Details

B-085165BACK ORDER

4-Fluoro-3-(Trifluoromethyl)benzoic Acid-d3

CAS #NA

Mol. formulaC₈HD₃F₄O₂

Mol. weight211.13

Details

B-085167BACK ORDER

2-Methoxybenzoic Acid-13C-d3

CAS #579-75-9

Mol. formulaC₈H₈O₃

Mol. weight152.15

Details

B-085168BACK ORDER

2-Methoxybenzoic Acid-13C6

CAS #NA

Mol. formulaC₂¹³C₆H₈O₃

Mol. weight158.10

Details

B-085179BACK ORDER

2-Bromobenzoic-d4 Acid

CAS #2133385-73-4

Mol. formulaC₇HD₄BrO₂

Mol. weight205.04

Details

B-085187BACK ORDER

2,4,5-Trifluoro Benzoic Acid-d2

CAS #NA

Mol. formulaC₇HD₂F_{3/_O₂}

Mol. weight178.11

Details

B-085226BACK ORDER

2,6-Difluorobenzoic Acid-d3

CAS #1219804-21-3

Mol. formulaC₇HD₃F₂O₂

Mol. weight161.12

Details

B-085227BACK ORDER

4-(Trifluoromethyl) Benzoic Acid-d4

CAS #2923753-82-4

Mol. formulaC₈HD₄F₃O₂

Mol. weight194.15

Details

B-085228BACK ORDER

4-(Trifluoromethyl) Benzoic Acid-13C6

CAS #2731552-41-1

Mol. formulaC₂¹³C₆H₅F₃O₂

Mol. weight196.08

Details

B-085236BACK ORDER

3,5-Difluorobenzoic Acid-d3

CAS #NA

Mol. formulaC₇HD₃F₂O₂

Mol. weight161.12

Details

B-085256BACK ORDER

Benzoic Acid-d5

CAS #1079-02-3

Mol. formulaC₇HD₅O₂

Mol. weight127.15

Details

B-086011BACK ORDER

2,4-DB-d3 (4-(2,4-Dichlorophenoxy)butyric acid-d3)

CAS #94-82-6 (non-labelled)

Mol. formulaC10H7D3Cl2O3

Mol. weight252.11

Details

B-086025BACK ORDER

D-(-)-Pantolactone-d6 (Dexpanthenol EP Impurity C-d6)

CAS #1346617-43-3

Mol. formulaC₆H₄D₆O₃

Mol. weight136.18

Details

B-086043BACK ORDER

Hydroxybutyrate-d3 Sodium Salt

CAS #1219798-97-6

Mol. formulaC₄H₄D₃NaO₃

Mol. weight129.11

Details

B-086063BACK ORDER

2,2-Dimethylbutyric Acid-d6

CAS #101419-75-4

Mol. formulaC₆H₆D₆O₂

Mol. weight122.20

Details

B-086066BACK ORDER

L-2,4-Diamino-Butyric Acid-13C4 DiHCl

CAS #NA

Mol. formula¹³C₄H₁₀N₂O₂. 2HCl

Mol. weight122.11 2*36.46

Details

B-086074BACK ORDER

4-Phenylbutyric Acid-d11

CAS #358730-86-6

Mol. formulaC₁₀HD₁₁O₂

Mol. weight175.27

Details

B-086086BACK ORDER

Butanoic Acid-d7

CAS #73607-83-7

Mol. formulaC₄HD₇O₂

Mol. weight95.15

Details

B-086091BACK ORDER

Butyric Acid-1,2-13C2

CAS #286367-72-4

Mol. formulaC₂¹³C₂H₈O₂

Mol. weight90.09

Details

B-086092

Controlled item — please contact our sales team

Details

B-086093BACK ORDER

Isobutyric Acid-d7

CAS #223134-74-5

Mol. formulaC₄HD₇O₂

Mol. weight95.15

Details

B-086105BACK ORDER

Sodium Butyrate-13C4

CAS #NA

Mol. formula¹³C₄H₇O₂. Na

Mol. weight91.07 22.99

Details

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