TLC Pharmaceutical Standards — products catalogue

Category index

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

01 — Find your standard

Search by parent drug (API).

Select a letter or parent drug (API) to browse the catalogue.

All 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

Parent drug

Showing 44701–44800 of 45606 standards · Impurities

V-1238BACK ORDER

Vitamin D3 Impurity 7

CAS #75716-74-4

Mol. formulaC₂₄H₃₆O₃

Mol. weight372.55

Details

V-1239BACK ORDER

Vitamin D3 Impurity 8

CAS #75716-76-6

Mol. formulaC₂₄H₃₆O₃

Mol. weight372.55

Details

V-1241BACK ORDER

Vitamin D3 Impurity 9

CAS #1183-41-1

Mol. formulaC₃₄H₄₆N₂O₆

Mol. weight578.75

Details

V-1243BACK ORDER

Vitamin D3 Impurity 12

CAS #932023-09-1

Mol. formulaC₃₅H₅₁NO₇

Mol. weight597.79

Details

V-1244IN STOCK

Vitamin D3 Impurity 13

CAS #89231-90-3

Mol. formulaC₂₇H₄₄O₂

Mol. weight400.65

Details

V-1245IN STOCK

Vitamin D3 Impurity 14

CAS #174176-73-9

Mol. formulaC₂₇H₄₆O₃

Mol. weight418.66

Details

V-1246IN STOCK

Vitamin D3 Impurity 15

CAS #89231-92-5

Mol. formulaC₂₇H₄₄O₂

Mol. weight400.65

Details

V-1247BACK ORDER

Vitamin D3 Impurity 16

CAS #125521-02-0

Mol. formulaC₂₇H₄₂O

Mol. weight382.63

Details

V-1248INQUIRE FURTHER

Vitamin D3 Impurity 17

CAS #NA

Mol. formulaC₂₇H₄₄O₂

Mol. weight400.65

Details

V-1249INQUIRE FURTHER

Vitamin D3 Impurity 18

CAS #NA

Mol. formulaC₂₇H₄₄O₂

Mol. weight400.65

Details

V-1251IN STOCK

Vitamin D3 Impurity 19

CAS #NA

Mol. formulaC₂₇H₄₂O

Mol. weight382.63

Details

V-1252BACK ORDER

Isovitamin D3

CAS #42607-12-5

Mol. formulaC₂₇H₄₄O

Mol. weight 384.65

Details

V-1311IN STOCK

rac-Calcium Pantothenate EP Impurity B Sodium Salt

CAS #1902-01-8

Mol. formulaC₆H₁₁O₄. Na

Mol. weight147.15 22.99

Details

V-1315BACK ORDER

Calcium Pantothenate EP Impurity H

CAS #NA

Mol. formulaC₁₀H₁₇NO₅

Mol. weight231.25

Details

V-132IN STOCK

Vitamin B5 Impurity 1

CAS #897045-90-8

Mol. formulaC₁₂H₂₂N₂O₆

Mol. weight290.32

Details

V-134IN STOCK

Vitamin B5 Impurity 2

CAS #5875-50-3

Mol. formulaC₉H₁₈NO₈P

Mol. weight299.22

Details

V-135BACK ORDER

Vitamin B5 Impurity 3

CAS #NA

Mol. formulaC₁₀H₁₇NO₅

Mol. weight231.25

Details

V-136IN STOCK

Vitamin B5 Impurity 4

CAS #NA

Mol. formulaC₉H₁₈NO₈P

Mol. weight299.22

Details

V-137BACK ORDER

Vitamin B5 Impurity 5

CAS #505-47-5

Mol. formulaC₆H₁₁NO₄

Mol. weight161.16

Details

V-138BACK ORDER

Calcium Pantothenate EP Impurity G (N-ß-Alanyl-ß-alanine)

CAS #2140-53-6

Mol. formulaC₆H₁₂N₂O₃

Mol. weight160.17

Details

V-139BACK ORDER

Calcium Pantothenate EP Impurity D (Methyl Pantothenate)

CAS #50692-78-9

Mol. formulaC₁₀H₁₉NO₅

Mol. weight233.26

Details

V-1420IN STOCK

Vitamin K1 Impurity 1

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1421IN STOCK

Vitamin K1 Impurity 2 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₃₁H₄₈O₄

Mol. weight484.72

Details

V-1422BACK ORDER

Vitamin K1 Impurity 4

CAS #128941-84-4

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1423INQUIRE FURTHER

Vitamin K1 Impurity 5

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1425IN STOCK

Phytonadione Epoxide

CAS #41018-27-3

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1426INQUIRE FURTHER

Vitamin K1 Impurity 6

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1427BACK ORDER

Vitamin K1 Impurity 7

CAS #15448-59-6

Mol. formulaC₁₁H₈O₃

Mol. weight188.18

Details

V-1428BACK ORDER

Vitamin K1 Impurity 8

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1429BACK ORDER

Vitamin K1 Impurity 9

CAS #132487-95-7

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1430BACK ORDER

Vitamin K1 Impurity 10

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1431BACK ORDER

Vitamin K1 Impurity 11

CAS #132487-93-5

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1432BACK ORDER

Vitamin K1 Impurity 12

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1433BACK ORDER

Vitamin K1 Impurity 13

CAS #132487-94-6

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1434IN STOCK

Vitamin K1 Impurity 14 (Vitamin K4)

CAS #573-20-6

Mol. formulaC₁₅H₁₄O₄

Mol. weight258.27

Details

V-1435BACK ORDER

Vitamin K1 Impurity 15

CAS #2211-27-0

Mol. formulaC₁₃H₁₂O₃

Mol. weight216.24

Details

V-1436BACK ORDER

Vitamin K1 Impurity 16

CAS #110327-29-2

Mol. formulaC₁₃H₁₂O₃

Mol. weight216.24

Details

V-1437BACK ORDER

Vitamin K1 Impurity 17

CAS #NA

Mol. formulaC₁₈H₁₃NO₄

Mol. weight307.31

Details

V-1438BACK ORDER

Vitamin K1 Impurity 18

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight 450.71

Details

V-1439BACK ORDER

Vitamin K1 Impurity 19

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1440BACK ORDER

Vitamin K1 Impurity 20

CAS #NA

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1441IN STOCK

Vitamin K1 Impurity 21

CAS #2580987-82-0

Mol. formulaC₂₀H₃₉Cl

Mol. weight314.98

Details

V-1442BACK ORDER

Vitamin K1 Impurity 22

CAS #395645-30-4

Mol. formulaC₂₀H₄₀O

Mol. weight296.54

Details

V-1443IN STOCK

Vitamin K1 Impurity 23

CAS #562836-92-4

Mol. formulaC₂₀H₄₁ClO

Mol. weight333.00

Details

V-1444BACK ORDER

Vitamin K1 Impurity 24

CAS #NA

Mol. formulaC₂₀H₃₉Cl

Mol. weight314.98

Details

V-1446BACK ORDER

Vitamin K1 Impurity 25

CAS #81818-54-4

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1447IN STOCK

Vitamin K1 Impurity 26

CAS #127184-28-5

Mol. formulaC₃₁H₄₆O₂

Mol. weight450.71

Details

V-1450BACK ORDER

Vitamin K1 Impurity 27

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1451BACK ORDER

Vitamin K1 Impurity 28

CAS #854039-21-7

Mol. formulaC₂₀H₄₀O

Mol. weight296.54

Details

V-1452BACK ORDER

Vitamin K1 Impurity 29

CAS #NA

Mol. formulaC₂₇H₄₆O₃S

Mol. weight450.72

Details

V-1453BACK ORDER

Vitamin K1 Impurity 30

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1454BACK ORDER

Vitamin K1 Impurity 31

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1455BACK ORDER

Vitamin K1 Impurity 32

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1456BACK ORDER

Vitamin K1 Impurity 33

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1458INQUIRE FURTHER

Vitamin K1 Impurity 34

CAS #NA

Mol. formulaC₃₁H₄₄O₂

Mol. weight448.69

Details

V-1459BACK ORDER

Vitamin K1 Impurity 35

CAS #49802-39-3

Mol. formulaC₁₆H₁₈O₂

Mol. weight242.32

Details

V-1460BACK ORDER

Vitamin K1 Impurity 36

CAS #1778736-16-5

Mol. formulaC₂₀H₃₈

Mol. weight278.52

Details

V-1461BACK ORDER

Vitamin K1 Impurity 37

CAS #326475-12-1

Mol. formulaC₂₀H₃₈

Mol. weight278.52

Details

V-1462BACK ORDER

Vitamin K1 Impurity 38

CAS #3689-69-8

Mol. formulaC₁₈H₃₄O

Mol. weight266.47

Details

V-1463INQUIRE FURTHER

Vitamin K1 Impurity 39

CAS #90514-94-6

Mol. formulaC₄₄H₇₆NO₈P

Mol. weight778.06

Details

V-1464INQUIRE FURTHER

Vitamin K1 Impurity 40

CAS #NA

Mol. formulaC₄₃H₇₈NO₈P

Mol. weight768.07

Details

V-1465BACK ORDER

Vitamin K1 Impurity 41

CAS #NA

Mol. formulaC₃₁4₆O₂

Mol. weight450.71

Details

V-1466INQUIRE FURTHER

Vitamin K1 Impurity 42

CAS #102608-53-7

Mol. formulaC₂₀H₄₀O

Mol. weight296.54

Details

V-1467BACK ORDER

Vitamin K1 Impurity 43

CAS #4444-14-8

Mol. formulaC₂₀H₃₉Cl

Mol. weight314.98

Details

V-1468BACK ORDER

Vitamin K1 Impurity 44

CAS #85761-30-4

Mol. formulaC₂₀H₄₂O

Mol. weight298.56

Details

V-1469BACK ORDER

Vitamin K1 Impurity 45

CAS #36232-38-9

Mol. formulaC₂₀H₄₀

Mol. weight280.54

Details

V-1470BACK ORDER

Vitamin K1 Impurity 46

CAS #2437-93-6

Mol. formulaC₂₀H₄₀

Mol. weight280.54

Details

V-1471BACK ORDER

Vitamin K1 Impurity 47

CAS #180424-26-4

Mol. formulaC₂₀H₄₀

Mol. weight280.54

Details

V-1472BACK ORDER

Vitamin K1 Impurity 48

CAS #NA

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1473INQUIRE FURTHER

Vitamin K1 Impurity 49

CAS #NA

Mol. formulaC₃₁H₄₈O₃

Mol. weight468.72

Details

V-1474INQUIRE FURTHER

Vitamin K1 Impurity 50

CAS #NA

Mol. formulaC₃₁H₄₈O₃

Mol. weight468.72

Details

V-1475INQUIRE FURTHER

Vitamin K1 Impurity 51

CAS #NA

Mol. formulaC₃₁H₄₈O₄

Mol. weight484.72

Details

V-1476INQUIRE FURTHER

Vitamin K1 Impurity 52

CAS #NA

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1477INQUIRE FURTHER

Vitamin K1 Impurity 53

CAS #NA

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1479BACK ORDER

Vitamin K1 Impurity 54

CAS #NA

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1480BACK ORDER

Vitamin K1 Impurity 55

CAS #NA

Mol. formulaC₃₁H₄₄O₄

Mol. weight480.69

Details

V-1481BACK ORDER

Vitamin K1 Impurity 56

CAS #77179-33-0

Mol. formulaC₂₁H₂₄O₄

Mol. weight340.42

Details

V-1482BACK ORDER

Vitamin K1 Impurity 57

CAS #34185-71-2

Mol. formulaC₁₈H₁₈O₄

Mol. weight298.34

Details

V-1483BACK ORDER

Vitamin K1 Impurity 58

CAS #14149-18-9

Mol. formulaC₁₈H₁₈O₄

Mol. weight298.34

Details

V-1484BACK ORDER

Vitamin K1 Impurity 59

CAS #34927-45-2

Mol. formulaC₁₆H₁₆O₄

Mol. weight272.30

Details

V-149IN STOCK

Vitamin K1 Impurity 3

CAS #NA

Mol. formulaC₃₁H₄₆O₃

Mol. weight466.71

Details

V-1510BACK ORDER

Vinpocetine EP Impurity D (dihydrovinpocetine)

CAS #NA

Mol. formulaC22H28N2O2

Mol. weight352.48

Details

V-1512IN STOCK

Vinpocetine N-Oxide

CAS #109741-24-4

Mol. formulaC₂₂H₂₆N₂O₃

Mol. weight366.46

Details

V-1514BACK ORDER

Vinpocetine EP Impurity A

CAS #NA

Mol. formulaC₂₂H₂₈N₂O₃

Mol. weight368.48

Details

V-1515BACK ORDER

Vinpocetine EP Impurity B

CAS #NA

Mol. formulaC₂₁H₂₄N₂O₂

Mol. weight336.44

Details

V-1516BACK ORDER

Vinpocetine EP Impurity C

CAS #70155-05-4

Mol. formulaC₂₃H₂₈N₂O₃

Mol. weight380.49

Details

V-1518BACK ORDER

Vinpocetine Impurity 4

CAS #NA

Mol. formulaC20H26N2O3

Mol. weight342.44

Details

V-1519BACK ORDER

Vinpocetine Impurity 5

CAS #NA

Mol. formulaC20H26N2O2

Mol. weight326.44

Details

V-1520BACK ORDER

Vinpocetine Impurity 6

CAS #NA

Mol. formulaC₂₀H₂₆N₂O₃

Mol. weight342.44

Details

V-1521BACK ORDER

Vinpocetine Impurity 7

CAS #NA

Mol. formulaC₂₂H₃₀N₂O₃

Mol. weight370.49

Details

V-1522BACK ORDER

Vinpocetine Impurity 8

CAS #NA

Mol. formulaC₂₂H₂₈N₂O₃

Mol. weight368.48

Details

V-1523BACK ORDER

Vinpocetine Impurity 9

CAS #NA

Mol. formulaC₂₀H₂₄N₂O₃

Mol. weight340.42

Details

V-1524BACK ORDER

Vinpocetine Impurity 10

CAS #57517-54-1

Mol. formulaC₂₂H₂₈N₂O₂

Mol. weight352.48

Details

V-1525BACK ORDER

Vinpocetine Impurity 11

CAS #57327-92-1

Mol. formulaC₂₂H₂₈N₂O₂

Mol. weight352.48

Details

V-154IN STOCK

Vinpocetine Impurity 2 (Vinpocetine Oxime)

CAS #102341-40-2

Mol. formulaC₁₉H₂₃N₃O

Mol. weight309.41

Details

V-155IN STOCK

Vinpocetine Impurity 3 ((-)-Vincamone))

CAS #4880-88-0

Mol. formulaC₁₉H₂₂N₂O

Mol. weight294.40

Details

V-156INQUIRE FURTHER

Vinpocetine impurity (trans isomer)

CAS #NA

Mol. formulaC24H30N2O2

Mol. weight378.52

Details

V-159INQUIRE FURTHER

Vinpocetine Impurity 1

CAS #NA

Mol. formulaC19H25N3O

Mol. weight311.43

Details

V-1610BACK ORDER

Voglibose Impurity 7 (Valiolone)

CAS #244230-63-5

Mol. formulaC₇H₁₂O₆

Mol. weight192.17

Details

V-1611BACK ORDER

Voglibose Impurity 8

CAS #1384518-63-1

Mol. formulaC₇H₁₂O₆

Mol. weight192.17

Details

Can’t find what you are looking for?

Custom synthesis is our core capability. Send us the structure or CAS number and we’ll respond with feasibility, lead time and pricing.

Request custom synthesis