product Impurities

Lenvatinib N-Ethyl impurity

Lenvatinib N-Ethyl impurity

CAT Number DCTI-C-001829
CAS Number 417719-46-1
Molecular Formula (free base): C₂₀H₁₉ClN₄O₄
Molecular Weight (Free base): 414.85

Lenvatinib N-Nitroso impurity-2

CAT Number DCTI-C-003694
CAS NUMBER NA
MOLECULAR FORMULA C₂₁H₁₈ClN₅O₅
MOLECULAR WEIGHT 455.86

Lenvatinib-DCTI-C-275-Daicel

Lenvatinib N-Oxide

CAT Number DCTI-C-000275
CAS Number 1788901-86-9
Molecular Formula C₂₁H₁₉ClN₄O₅
Molecular Weight 442.86

Lenvatinib Phenyl carbamate impurity/LNT2

Lenvatinib Phenyl carbamate impurity/LNT2

CAT Number DCTI-C-001830
CAS Number 417722-95-3
Molecular Formula (free base): C₂₄H₁₈ClN₃O₅
Molecular Weight (Free base): 463.87

Lercanidipine Dimer Impurity

CAT Number DCTI-C-003682
CAS NUMBER NA
MOLECULAR FORMULA C₅₅H₆₄N₄O₆
MOLECULAR WEIGHT 877.14

Lercanidipine Impurity 10

CAT Number DCTI-C-003349
CAS NUMBER 74936-81-5
MOLECULAR FORMULA C₁₅H₁₄N₂O₆
MOLECULAR WEIGHT 318.28

Letermovir Piperazine N-Oxide

CAT Number DCTI-C-005073
CAS Number 2991059-71-1
Molecular Formula C₂₉H₂₈F₄N₄O₅
Molecular Weight 588.56

LETERMOVIR-D8

CAT Number DCTI-A-000502
CAS Number NA
Molecular Formula C₂₉H₂₀D₈F₄N₄O₄
Molecular Weight 580.61

Letrozole Diacid impurity

CAT Number DCTI-C-004607
CAS Number 1644566-39-1
Molecular Formula C₁₇H₁₃N₃O₄
Molecular Weight 323.31

Letrozole Impurity A

CAT Number DCTI-C-004580
CAS Number 112809-52-6
Molecular Formula C₁₇H₁₁N₅
Molecular Weight 285.31

Leu (3)-Calcitonin

CAT Number DCTI-D-000296
CAS NUMBER NA
MOLECULAR FORMULA C₁₄₇H₂₄₅N₄₃O₄₇S₂
MOLECULAR WEIGHT 3430.95

Leu (7)-Vasopressin

CAT Number DCTI-D-000106
CAS NUMBER NA
MOLECULAR FORMULA C₄₆H₆₅N₁₅O₁₂S₂
MOLECULAR WEIGHT 1100.28

Leu 3-Oxytocin

CAT Number DCTI-D-000036
CAS Number NA
Molecular Formula C₄₃H₆₆N₁₂O₁₂S₂
Molecular Weight 1007.19

Leu(25)-Tirzepatide

CAT Number DCTI-D-000509
CAS NUMBER NA
MOLECULAR FORMULA C₂₂₀H₃₄₉N₄₇O₆₈
MOLECULAR WEIGHT 4740.47

Leu(3)-Difelikefalin

CAT Number DCTI-D-000719
CAS Number NA
Molecular Formula C₃₆H₅₃N₇O₆
Molecular Weight 679.86

Leucovorin-D4

CAT Number DCTI-A-000477
CAS Number 461426-40-4
Molecular Formula C₂₀H₁₉D₄N₇O₇
Molecular Weight 477.47

Leuprolide D10 (labelled)

CAT Number DCTI-D-000131
CAS NUMBER NA
MOLECULAR FORMULA C₅₉H₇₄D₁₀N₁₆O₁₂
MOLECULAR WEIGHT 1219.48

Leuprolide Dimer

CAT Number DCTI-D-000253
CAS NUMBER NA
MOLECULAR FORMULA C₁₈₇H₂₈₆D₅N₄₅O₅₉
MOLECULAR WEIGHT 2425.83

Leuprolide Impurity 12

CAT Number DCTI-D-000017
CAS Number NA
Molecular Formula C₂₂H₂₄N₆O₅
Molecular Weight 452.47

Leuprolide Impurity 6

CAT Number DCTI-D-000019
CAS Number NA
Molecular Formula C₅₄H₇₉N₁₅O₁₀
Molecular Weight 1098.32

Leuprolide Impurity 8

CAT Number DCTI-D-000020
CAS Number NA
Molecular Formula C₃₇H₆₂N₁₀O₈
Molecular Weight 774.97

Leuprolide impurity(1-5)

CAT Number DCTI-D-000123
CAS NUMBER NA
MOLECULAR FORMULA C₃₄H₃₈N₈O₉
MOLECULAR WEIGHT 702.73

Leuprolide Impurity(1-8)

CAT Number DCTI-D-000124
CAS NUMBER NA
MOLECULAR FORMULA C₅₂H₇₂N₁₄O₁₂
MOLECULAR WEIGHT 1085.23

Leuprolide Metabolite(pentapeptide)

CAT Number DCTI-D-000051
CAS Number NA
Molecular Formula C₃₄H₅₇N₉O₆
Molecular Weight 687.89

Leuprolide Trimer

CAT Number DCTI-D-000255
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₅H₂₄₅N₄₇O₃₉
MOLECULAR WEIGHT 3631.18

Leuprolide Trimer

CAT Number DCTI-D-000255
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₅H₂₄₅N₄₇O₃₉
MOLECULAR WEIGHT 3631.18

Levalbuterol related compound F

CAT Number DCTI-C-002755
CAS NUMBER 56796-66-8
MOLECULAR FORMULA C₂₀H₂₇NO₃ (Free Base); C₂₁H₂₉NO₅ (Formate Salt)
MOLECULAR WEIGHT 329.44 (Free Base); 375.46 (Formate Salt)

Levetiracetam acid

CAT Number DCTI-C-003271
CAS NUMBER 102849-49-0
MOLECULAR FORMULA C₈H₁₃NO₃
MOLECULAR WEIGHT 171.2

Levetiracetam-DCTI-C-1206-Daicel

Levetiracetam Enantiomer

CAT Number DCTI-C-001206
CAS Number 103765-01-1
Molecular Formula C₈H₁₄N₂O₂
Molecular Weight 170.21

Levetiracetam Related compound A

CAT Number DCTI-C-003965
CAS NUMBER 102767-31-7
MOLECULAR FORMULA C₈H₁₅ClN₂O₂
MOLECULAR WEIGHT 206.08

Levo-milnacipran.HCl – D10

CAT Number DCTI-A-000114
CAS Number 175131-60-9(Unlabelled)
Molecular Formula C₁₅H₁₃D₁₀ClN₂O (HCl Salt) C₁₅H₁₂D₁₀N₂O (Free base)
Molecular Weight 292.87 (HCl Salt) 256.42 (Free bas)

Levodopa Impurity 1513-IP-1

CAT Number DCTI-C-003533
CAS NUMBER 2259692-12-9
MOLECULAR FORMULA C₁₂H₁₃NO₆
MOLECULAR WEIGHT 267.24

Levodopa Impurity 1513-IP-2

CAT Number DCTI-C-003532
CAS NUMBER 2259692-11-8
MOLECULAR FORMULA C₁₂H₁₃NO₆
MOLECULAR WEIGHT 267.24

Levofloxacin Diamine Derivative

CAT Number DCTI-C-003518
CAS NUMBER 151250-76-9
MOLECULAR FORMULA C₁₆H₁₈FN₃O₄
MOLECULAR WEIGHT 335.34

Levofloxacin diamine Impurity

CAT Number DCTI-C-003239
CAS NUMBER 1797510-34-9
MOLECULAR FORMULA C₁₅H₁₆FN₃O₄
MOLECULAR WEIGHT 321.31

Levoketoconazole

CAT Number DCTI-C-003932
CAS NUMBER 142128-57-2
MOLECULAR FORMULA C₂₆H₂₈Cl₂N₄O₄
MOLECULAR WEIGHT 531.43

Levoketoconazole D8

CAT Number DCTI-A-000461
CAS NUMBER NA
MOLECULAR FORMULA C₂₆H₂₀D₈Cl₂N₄O₄
MOLECULAR WEIGHT 539.48

Levomefolicacid-D3

CAT Number DCTI-A-000471
CAS Number 1356019-97-0
Molecular Formula C₂₀H₂₂D₃N₇O₆
Molecular Weight 462.48

Levonorgestrel EP impurity A

Levonorgestrel EP impurity A

CAT Number DCTI-C-002208
CAs Number 1260525-53-8
Molecular Formula C₂₁H₂₆O₂
Molecular Weight 310.44

Levonorgestrel Impurity-J

CAT Number DCTI-C-003997
CAS NUMBER 1175109-63-3
MOLECULAR FORMULA C₂₁H₂₆O₃
MOLECULAR WEIGHT 326.43

Levonorgestrel Impurity-L

CAT Number DCTI-C-003942
CAS NUMBER 21800-83-9
MOLECULAR FORMULA C₁₉H₂₆O₂
MOLECULAR WEIGHT 286.41

Levonorgestrel Impurity-M

CAT Number DCTI-C-004058
CAS NUMBER 51087-61-7
MOLECULAR FORMULA C₂₁H₂₆O₂
MOLECULAR WEIGHT 310.43

Levormeloxifene D6 Hydrochloride

CAT Number DCTI-A-000406
CAS Number NA
Molecular Formula C₃₀H₃₀D₆ClNO₃
Molecular Weight 500.11

Levormeloxifene hydrochloride

CAT Number DCTI-C-003849
CAS NUMBER NA
MOLECULAR FORMULA C₃₀H₃₅NO₃(Free Base); C₃₀H₃₆ClNO₃(HCl Salt)
MOLECULAR WEIGHT 457.61 (Free Base); 494.07 (HCl Salt)

Levothyroxine-DCTI-C-471-Daicel

Levothyroxine Degradant-1 Impurity

CAT Number DCTI-C-000471
CAS Number 788824-71-5
Molecular Formula C₁₄H₁₁I₄NO₂ (Free base) C₁₄H₁₂ClI₄NO₂ (HCl salt)
Molecular Weight 732.86 (Free base) 769.32 (HCl Salt)

Levothyroxine Glucose Adduct

CAT Number DCTI-C-003487
CAS NUMBER NA
MOLECULAR FORMULA C₂₁H₂₁I₄NO₉
MOLECULAR WEIGHT 939.01

Levothyroxine-DCTI-C-189-Daicel

Levothyroxine Impurity F

CAT Number DCTI-C-000189
CAS Number 911661-90-0
Molecular Formula C₂₁H₁₃I₆NO₅
Molecular Weight 1120.76

Levothyroxine-DCTI-C-190-Daicel

Levothyroxine Impurity-H

CAT Number DCTI-C-000190
CAS Number 2055-97-2
Molecular Formula C₁₃H₆I₄O₄
Molecular Weight 733.8

Levothyroxine-DCTI-C-192-Daicel

Levothyroxine Impurity-J

CAT Number DCTI-C-000192
CAS Number 4604-41-5
Molecular Formula C₁₅H₁₃I₂NO₄
Molecular Weight 525.08

Levothyroxine-DCTI-C-193-Daicel

Levothyroxine Impurity-K

CAT Number DCTI-C-000193
CAS Number 5817-39-0
Molecular Formula C₁₅H₁₂I₃NO₄
Molecular Weight 650.98

Levothyroxine-DCTI-C-273-Daicel

Levothyroxine N-Formyl /N-Formyl-T4

CAT Number DCTI-C-000273
CAS Number 671235-41-9
Molecular Formula C₁₆H₁₁I₄NO₅
Molecular Weight 804.88

Levothyroxine-DCTI-C-272-Daicel

Levothyroxine N-Methylamide

CAT Number DCTI-C-000272
CAS Number 2088032-52-2
Molecular Formula C₁₆H₁₄I₄N₂O₃
Molecular Weight 789.92

Levothyroxine-DCTI-C-271-Daicel

Levothyroxine O-Methyl

CAT Number DCTI-C-000271
CAS Number 4367-89-9
Molecular Formula C₁₆H₁₃I₄NO₄
Molecular Weight 790.9

Levothyroxine T4-Formicacid-N-Methylamide

Levothyroxine T4-Formicacid-N-Methylamide

CAT Number DCTI-C-001765
CAS NUMBER 2088032-78-2
MOLECULAR FORMULA C₁₄H₉I₄NO₃
MOLECULAR WEIGHT 746.85

Levothyroxine β-Hydroxy T4

CAT Number DCTI-C-002056
CAS NUMBER 107849-54-7
MOLECULAR FORMULA C₁₅H₁₁I₄NO₅
MOLECULAR WEIGHT 792.87

Levothyroxine-DCTI-A-017-Daicel

Levothyroxine-D3

CAT Number DCTI-A-000017
CAS Number 51-48-9(Unlabelled)
Molecular Formula C₁₅H₈D₃I₄NO₄
Molecular Weight 779.89

Levothyroxine-DCTI-C-1198-Daicel

Levothyroxine-N-Lactoside

CAT Number DCTI-C-001198
CAS Number NA
Molecular Formula C₂₇H₃₁I₄NO₁₄
Molecular Weight 1101.16

Lidocaine Cyclic impurity

CAT Number DCTI-C-004714
CAS Number 113225-33-5
Molecular Formula C₁₄H₁₈N₂O
Molecular Weight 230.31

Lifitegrast Hydroxy Impurity

CAT Number DCTI-C-004842
CAS Number NA
Molecular Formula C₂₈H₂₄Cl₂N₂O₈S
Molecular Weight 619.47

Lifitegrast Impurity 1

CAT Number DCTI-C-002059
CAS NUMBER 1194550-61-2
MOLECULAR FORMULA C₃₂H₃₄Cl₂N₂O₇S
MOLECULAR WEIGHT 661.59

Lifitegrast Impurity 11

CAT Number DCTI-C-002985
CAS NUMBER 77095-51-3
MOLECULAR FORMULA C₉H₆O₃
MOLECULAR WEIGHT 162.14

Lifitegrast Impurity 3

CAT Number DCTI-C-002061
CAS NUMBER 1194550-67-8
MOLECULAR FORMULA C₃₆H₃₀Cl₂N₂O₇S
MOLECULAR WEIGHT 705.6

Lifitegrast Impurity 5

CAT Number DCTI-C-002058
CAS NUMBER 2129597-34-6
MOLECULAR FORMULA C₁₉H₁₃Cl₂NO₄
MOLECULAR WEIGHT 390.22

Lifitegrast R-Isomer

CAT Number DCTI-C-002060
CAS NUMBER 2271299-08-0
MOLECULAR FORMULA C₂₉H₂₄Cl₂N₂O₇S
MOLECULAR WEIGHT 615.48

Lifitegrast tertiary butyl ester impurity

CAT Number DCTI-C-002822
CAS NUMBER 2414639-05-5
MOLECULAR FORMULA C₃₃H₃₂Cl₂N₂O₇S
MOLECULAR WEIGHT 671.59

Lignan P Phosphate

CAT Number DCTI-C-003526
CAS NUMBER NA
MOLECULAR FORMULA C₂₇H₃₁O₁₆P
MOLECULAR WEIGHT 642.5

Linagliptin D4

CAT Number DCTI-A-000573
CAS Number 2140263-92-7
Molecular Formula C₂₅H₂₄D₄N₈O₂
Molecular Weight 476.58

Linagliptin Diene Impurity

CAT Number DCTI-C-004884
CAS Number 2463617-43-6
Molecular Formula C₂₅H₂₈N₈O₂
Molecular Weight 472.55

Linagliptin Dimer impurity

CAT Number DCTI-C-004390
CAS Number 2463617-49-2
Molecular Formula C₅₁H₅₆N₁₆O₄
Molecular Weight 957.12

Linagliptin impurity E

Linagliptin impurity E

CAT Number DCTI-C-001886
CAS Number 1446263-38-2
Molecular Formula C₂₅H₂₈N₈O₂
Molecular Weight 472.55

Linagliptin Impurity S

CAT Number DCTI-C-004514
CAS Number 1638744-06-5
Molecular Formula C₂₅H₂₉BrN₈O₂
Molecular Weight 553.47

Linagliptin-DCTI-C-1494-Daicel

Linagliptin Methyldimer

CAT Number DCTI-C-001494
CAS Number 1418133-47-7
Molecular Formula C₅₀H₅₆N₁₆O₄
Molecular Weight 945.08 (free base)

Linagliptin N-glucose impurity

Linagliptin N-glucose impurity

CAT Number DCTI-C-002269
CAS NUMBER NA
MOLECULAR FORMULA C₃₁H₃₈N₈O₇
MOLECULAR WEIGHT 634.69

Linagliptin Nitroso Dimer Impurity 1

CAT Number DCTI-C-004579
CAS Number NA
Molecular Formula C₅₁H₅₅N₁₇O₅
Molecular Weight 986.12

Linagliptin Nitroso impurity’s internal STD

CAT Number DCTI-A-000293
CAS NUMBER NA
MOLECULAR FORMULA C₅H₄D₃N₃O₂
MOLECULAR WEIGHT 144.15

Linagliptin S-isomer

Linagliptin S-isomer

CAT Number DCTI-C-001857
CAS Number 668270-11-9
Molecular Formula C₂₅H₂₈N₈O₂
Molecular Weight 472.55

Linagliptin-D3

CAT Number DCTI-A-000350
CAS NUMBER 1398044-48-8
MOLECULAR FORMULA C₂₅H₂₅D₃N₈O₂
MOLECULAR WEIGHT 475.57

Lincomycin 2-Phosphate

CAT Number DCTI-C-002329
CAS NUMBER 27480-30-4
MOLECULAR FORMULA C₁₈H₃₅N₂O₉PS (Free base); C₂₀H₃₉N₂O₁₁¬PS (Acetate salt)
MOLECULAR WEIGHT 486.52 (Free base); 546.20 (Acetate salt)

Lincomycin EP Impurity E Hydrochloride

CAT Number DCTI-C-002328
CAS NUMBER 6734-79-8
MOLECULAR FORMULA C₉H₁₈ClNO₂ (HCl salt); C₉H₁₇NO₂ (free base)
MOLECULAR WEIGHT 207.7 (HCl salt); 171.24 (free base)

Lincomycin impurity A

CAT Number DCTI-C-002642
CAS NUMBER NA
MOLECULAR FORMULA C₁₈H₃₄N₂O₆S
MOLECULAR WEIGHT 406.21

Lincomycin Impurity C

CAT Number DCTI-C-002790
CAS NUMBER 14600-41-0
MOLECULAR FORMULA C₁₇H₃₂N₂O₆S (free base); C₁₇H₃₃ClN₂O₆S (HCl salt)
MOLECULAR WEIGHT 392.51 (free base); 428.97 (HCl salt)

Lincomycin-DCTI-C-675-Daicel

Lincomycin-2,4 -phosphate

CAT Number DCTI-C-000675
CAS Number NA
Molecular Formula C₁₈H₃₃N₂O₈PS
Molecular Weight 468.5

Linear octreotide

CAT Number DCTI-D-000097
CAS NUMBER NA
MOLECULAR FORMULA C₄₉H₆₈N₁₀O₁₀S₂
MOLECULAR WEIGHT 1021.26

Linear Semaglutide

Linear Semaglutide

CAT Number DCTI-D-000340
CAS NUMBER NA
MOLECULAR FORMULA C₁₅₂H₂₃₀N₄₂O₄₇
MOLECULAR WEIGHT 3397.76

Linear-Semaglutide-Phosphate Salt

CAT Number DCTI-D-000617
CAS Number NA
Molecular Formula C₁₅₂H₂₃₀N₄₂O₄₇
Molecular Weight 3397.76

Linezolid impurity -D

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Linezolid impurity -D

CAT Number DCTI-C-001495
CAS Number 333753-69-8
Molecular Formula C₁₅H₂₂FN₃O₃
Molecular Weight 311.36

Linezolid impurity -F

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Linezolid impurity -F

CAT Number DCTI-C-001497
CAS Number NA
Molecular Formula C₁₅H₁₈FN₃O₅ (free base)
Molecular Weight 339.32 (free base)

Linezolid impurity E

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Linezolid impurity E

CAT Number DCTI-C-001496
CAS Number 333753-67-6
Molecular Formula C₁₅H₂₂FN₃O₃
Molecular Weight 311.36

Linezolid R-Isomer

CAT Number DCTI-C-002067
CAS NUMBER 872992-20-6
MOLECULAR FORMULA C₁₆H₂₀FN₃O₄
MOLECULAR WEIGHT 337.35

Linezolid Related Compound C

CAT Number DCTI-C-002065
CAS NUMBER 168828-90-8
MOLECULAR FORMULA C₁₄H₁₈FN₃O₃
MOLECULAR WEIGHT 295.31

Linezolid Related Compound D

CAT Number DCTI-C-002066
CAS NUMBER 174649-09-3
MOLECULAR FORMULA C₁₅H₁₉FN₂O₆S
MOLECULAR WEIGHT 374.38

Levothyroxine-DCTI-C-510-Daicel

Liothyronine

CAT Number DCTI-C-000510
CAS Number 2/3/6893
Molecular Formula C₁₅H₁₂I₃NO₄
Molecular Weight 650.98

LIOTHYRONINE R-ISOMER IMPURITY

CAT Number DCTI-C-004557
CAS Number 5714-08-9
Molecular Formula C₁₅H₁₂I₃NO₄
Molecular Weight 650.98

Liraglutide D8

CAT Number DCTI-D-000316
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₂H₂₅₇D₈N₄₃O₅₁
MOLECULAR WEIGHT 3759.31 Da

Liraglutide-Acetaldehyde adduct

CAT Number DCTI-D-000424
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₄H₂₆₇N₄₃O₅₁
MOLECULAR WEIGHT 3777.3

Liraglutide-Acetaldehyde adduct Phosphate Salt

CAT Number DCTI-D-000565
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₄H₂₆₇N₄₃O₅₁
MOLECULAR WEIGHT 3777.3

Liraglutide-Propionaldehyde adduct

Liraglutide-Propionaldehyde adduct

CAT Number DCTI-D-000440
CAS NUMBER NA
MOLECULAR FORMULA C₁₇₅H₂₆₉N₄₃O₅₁
MOLECULAR WEIGHT 3791.33

Liraglutide-Propionaldehyde adduct Phosphate Salt

CAT Number DCTI-D-000576
CAS Number NA
Molecular Formula C₁₇₅H₂₆₉N₄₃O₅₁
Molecular Weight 3791.33

Lisinopril EP Impurity J

CAT Number DCTI-C-003028
CAS NUMBER 2566937-60-6
MOLECULAR FORMULA C₃₇H₅₃N₅O₈
MOLECULAR WEIGHT 695.86

Lisinopril Impurity- G

CAT Number DCTI-C-001656
CAS NUMBER 1356839-89-8
MOLECULAR FORMULA C₄₂H₆₀N₆O₉
MOLECULAR WEIGHT 792.98

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