lamivudine and its Impurities

A drug which is active against both HIV1 and HIV2 virus, Lamivudine is also known as 3TC, is an antiretroviral medication. It is used for the treatment of HIV/AIDS and hepatitis. Lamivudine is an analogue of cytidine. Reference standards of Lamivudine API,and its pharmacopeial, non pharmacopieal impurities, and stable isotopes are listed below.

Displaying 62 results for lamivudine Impurities
PA 12 03000

Lamivudine - API

Lamivudine


  • Catalogue No.:PA 12 03000

  • CAS :

    134678-17-4

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03010

Lamivudine - Impurity A

Lamivudine Carboxylic Impurity


  • Catalogue No.:PA 12 03010

  • CAS :

    173829-09-9

  • Molecular Formula : C8H9N3O4S

  • Molecular Weight : 243.24

PA 12 03020

Lamivudine - Impurity B

(±)-Trans-lamivudine


  • Catalogue No.:PA 12 03020

  • CAS :

    NA

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03040

Lamivudine - Impurity D

Lamivudine Enantiomer


  • Catalogue No.:PA 12 03040

  • CAS :

    134680-32-3

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03050

Lamivudine - Impurity E

Cytosine


  • Catalogue No.:PA 12 03050

  • CAS :

    71-30-7

  • Molecular Formula : C4H5N3O

  • Molecular Weight : 111.10

PA 12 03060

Lamivudine - Impurity F

Uracil


  • Catalogue No.:PA 12 03060

  • CAS :

    66-22-8

  • Molecular Formula : C4H4N2O2

  • Molecular Weight : 112.09

PA 12 03070

Lamivudine - Impurity G

Lamivudine (S)-Sulfoxide


  • Catalogue No.:PA 12 03070

  • CAS :

    160552-55-6

  • Molecular Formula : C8H11N3O4S

  • Molecular Weight : 245.26

PA 12 03080

Lamivudine - Impurity H

Lamivudine (R)-Sulfoxide


  • Catalogue No.:PA 12 03080

  • CAS :

    160552-54-5

  • Molecular Formula : C8H11N3O4S

  • Molecular Weight : 245.26

PA 12 03090

Lamivudine - Impurity I

4-Amino-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one


  • Catalogue No.:PA 12 03090

  • CAS :

    145511-98-4

  • Molecular Formula : C8H11N3O4

  • Molecular Weight : 213.19

PA 12 03100

Lamivudine - Impurity J

Lamivudine Dione Impurity


  • Catalogue No.:PA 12 03100

  • CAS :

    145986-07-8

  • Molecular Formula : C8H10N2O4S

  • Molecular Weight : 230.24

PA 12 03510

Lamivudine Acid

Lamivudine Acid


  • Catalogue No.:PA 12 03510

  • CAS :

    173829-09-9

  • Molecular Formula : C8H9N3O4S

  • Molecular Weight :  243.24

PA 12 03520

ent-Lamivudine Acid (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester

ent-Lamivudine Acid (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester


  • Catalogue No.:PA 12 03520

  • CAS :

    147126-74-7

  • Molecular Formula : C18H27N3O4S

  • Molecular Weight : 381.49

PA 12 03530

rac-cis-Lamivudine Acid (1R,2S,5R)-5-Methyl-2-isopropylcyclohexyl Ester

rac-cis-Lamivudine Acid (1R,2S,5R)-5-Methyl-2-isopropylcyclohexyl Ester


  • Catalogue No.:PA 12 03530

  • CAS :

    1322623-20-0

  • Molecular Formula : C18H27N3O4S

  • Molecular Weight :  381.49

PA 12 03540

5-Fluoro ent-Lamivudine Acid D-Menthol Ester

5-Fluoro ent-Lamivudine Acid D-Menthol Ester


  • Catalogue No.:PA 12 03540

  • CAS :

    764659-79-2

  • Molecular Formula : C18H26FN3O4S

  • Molecular Weight : 399.48

PA 12 03550

5'-Epi Lamivudine

5'-Epi Lamivudine


  • Catalogue No.:PA 12 03550

  • CAS :

    139757-68-9

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03560

N-Acetyl O-Benzyl Lamivudine

N-Acetyl O-Benzyl Lamivudine


  • Catalogue No.:PA 12 03560

  • CAS :

    1091585-30-6

  • Molecular Formula : C17H17N3O5S

  • Molecular Weight : 375.4

PA 12 03570

N-Acetyl O-Benzyl 5'-Epi Lamivudine

N-Acetyl O-Benzyl 5'-Epi Lamivudine


  • Catalogue No.:PA 12 03570

  • CAS :

    131086-33-4

  • Molecular Formula : C17H17N3O5S

  • Molecular Weight : 375.4

PA 12 03580

ent-Lamivudine

ent-Lamivudine


  • Catalogue No.:PA 12 03580

  • CAS :

    134680-32-3

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03590

Lamivudine Triphosphate Ammonium Salt

Lamivudine Triphosphate Ammonium Salt


  • Catalogue No.:PA 12 03590

  • CAS :

    1187058-42-9

  • Molecular Formula : C8H23N6O12P3S

  • Molecular Weight : 520.28

PA 12 03600

Lamivudine Diphosphate Ammonium Salt

Lamivudine Diphosphate Ammonium Salt


  • Catalogue No.:PA 12 03600

  • CAS :

    1187058-41-8

  • Molecular Formula : C8H19N5O9P2S

  • Molecular Weight : 423.28

PA 12 03610

Lamivudine Monophosphate Ammonium Salt

Lamivudine Monophosphate Ammonium Salt


  • Catalogue No.:PA 12 03610

  • CAS :

    1187058-40-7

  • Molecular Formula : C8H15N4O6PS

  • Molecular Weight : 326.27

PA 12 03620

rac Lamivudine Acid

rac Lamivudine Acid


  • Catalogue No.:PA 12 03620

  • CAS :

    173602-25-0

  • Molecular Formula : C8H9N3O4S

  • Molecular Weight :  243.24

PA 12 03630

Lamivudine S-Oxide

Lamivudine S-Oxide


  • Catalogue No.:PA 12 03630

  • CAS :

    1235712-40-9

  • Molecular Formula : C8H11N3O4S

  • Molecular Weight :  245.26

PA 12 03640

Isocytosine

Isocytosine


  • Catalogue No.:PA 12 03640

  • CAS :

    108-53-2

  • Molecular Formula : C4H5N3O

  • Molecular Weight : 111.1

PA 12 03650

Lamivudine Diastereoisomer

Lamivudine Diastereoisomer


  • Catalogue No.:PA 12 03650

  • CAS :

    136846-20-3

  • Molecular Formula : C8H11N3O3S

  • Molecular Weight : 229.26

PA 12 03660

Lamivudine Tenofovir Monosoproxil Methane

Lamivudine Tenofovir Monosoproxil Methane


  • Catalogue No.:PA 12 03660

  • CAS :

    NA

  • Molecular Formula : C23H33N8O10PS

  • Molecular Weight : 644.59

PA 12 03670

Lamivudine Resolution Mixture C

Lamivudine Resolution Mixture C


  • Catalogue No.:PA 12 03670

  • CAS :

    NA

  • Molecular Formula : C8H11N3O3S, C8H11N3O4S, C4H4N2O2, C8H10N2O4S, C4H5N3O

  • Molecular Weight : 229.26

PA 12 03680

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA 12 03680

  • CAS :

    147027-08-5

  • Molecular Formula : C14H24O4S

  • Molecular Weight : 288.4

PA 12 03690

(2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

(2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA 12 03690

  • CAS :

    147126-75-8

  • Molecular Formula : C18H26FN3O4S

  • Molecular Weight : 399.48

PA 12 03700

(2S,5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate

(2S,5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA 12 03700

  • CAS :

    NA

  • Molecular Formula : C14H24O4S

  • Molecular Weight : 288.4

PA 12 03710

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-hydroxy-1,3-oxathiolane-2-carboxylate

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-hydroxy-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA 12 03710

  • CAS :

    147126-62-3

  • Molecular Formula : C14H24O4S

  • Molecular Weight : 288.4

PA 12 03720

5-epi Emtricitabine

5-epi Emtricitabine


  • Catalogue No.:PA 12 03720

  • CAS :

    145986-26-1

  • Molecular Formula : C8H10FN3O3S

  • Molecular Weight : 247.25

PA STI 037270

5'-Epi Lamivudine-15N2,13C


  • Catalogue No.:PA STI 037270

  • CAS :

    NA

  • Molecular Formula : C713CH11N15N2O3S

  • Molecular Weight : 232.24

PA STI 055870

Lamivudine Acid-13C,15N2


  • Catalogue No.:PA STI 055870

  • CAS :

    1391052-30-4

  • Molecular Formula : C713CH9N15N2O4S

  • Molecular Weight : 246.22

PA STI 055880

Lamivudine-15N2,13C


  • Catalogue No.:PA STI 055880

  • CAS :

    1217746-03-6

  • Molecular Formula : C713CH11N15N2O3S

  • Molecular Weight : 232.24

PA STI 055890

Lamivudine-13C1,d2


  • Catalogue No.:PA STI 055890

  • CAS :

    NA

  • Molecular Formula : C713CH9D2N3O3S

  • Molecular Weight : 232.26

PA STI 055900

rac Lamivudine Acid-13C,15N2


  • Catalogue No.:PA STI 055900

  • CAS :

    1391052-30-4

  • Molecular Formula : C713CH9N15N2O4S

  • Molecular Weight : 246.22

PA STI 055910

Lamivudine-13C,15N2 S-Oxide (Mixture of Diastereomers)


  • Catalogue No.:PA STI 055910

  • CAS :

    NA

  • Molecular Formula : C713CH11N15N2O4S

  • Molecular Weight : 248.24

PA STI 055911

Lamivudine-13C,15N2-d2


  • Catalogue No.:PA STI 055911

  • CAS :

    NA

  • Molecular Formula : C713CH9D2N15N2O3S

  • Molecular Weight : 234.25

PA STI 055920

(2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione-13C,15N2


  • Catalogue No.:PA STI 055920

  • CAS :

    NA

  • Molecular Formula : C713CH1015N2O4S

  • Molecular Weight : 233.22

PA STI 058310

(2R,5S)-L-Menthol-5-(4-amino-2-oxo-1(2H)-pyrimidinyl-15N2,13C)-1,3-oxathiolane-2-carboxylate

(2R,5S)-L-Menthol-5-(4-amino-2-oxo-1(2H)-pyrimidinyl-15N2,13C)-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA STI 058310

  • CAS :

    1322623-13-1

  • Molecular Formula : C1713CH27N15N2O4S

  • Molecular Weight : 384.47

PA STI 058320

(2R,5S)-L-Menthol-5-(4-amino-2-oxo-1(2H)-pyrimidinyl-13C)-1,3-oxathiolane-2-carboxylate


  • Catalogue No.:PA STI 058320

  • CAS :

    NA

  • Molecular Formula : C1713CH27N3O4S

  • Molecular Weight : 382.48

PAI 12 002010

(2R,5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic Acid

(2R,5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic Acid


  • Catalogue No.:PAI 12 002010

  • CAS :

    173829-09-9

  • Molecular Formula : C8H9N3O4S

  • Molecular Weight : 243.03

PA 12 03030

Lamivudine - Impurity C

2-Hydroxybenzenecarboxylic Acid


  • Catalogue No.:PA 12 03030

  • CAS :

    69-72-7

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

PA ICRS1416

Lamivudine (ICRS1416)


  • Catalogue No.:PA ICRS1416

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA ICRS1553

Lamivudine for system suitability (ICRS1553)


  • Catalogue No.:PA ICRS1553

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIMP 04 14

Lamivudine impurity C (IMP/04/14)


  • Catalogue No.:PA IPIMP 04 14

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 237 12

Lamivudine (IPRS/237/12)


  • Catalogue No.:PA IPIPRS 237 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0000425

Lamivudine (Y0000425)


  • Catalogue No.:PA EPY0000425

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0000426

Lamivudine for system suitability 2 (Y0000426)


  • Catalogue No.:PA EPY0000426

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0000518

Lamivudine for system suitability 1 (Y0000518)


  • Catalogue No.:PA EPY0000518

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1356836

Lamivudine (1356836)


  • Catalogue No.:PA USP1356836

  • CAS :

    134678-17-4

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1356847

Lamivudine Resolution Mixture A (1356847)


  • Catalogue No.:PA USP1356847

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1356858

Lamivudine Resolution Mixture B (1356858)


  • Catalogue No.:PA USP1356858

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1356869

Lamivudine Resolution Mixture C (1356869)


  • Catalogue No.:PA USP1356869

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1357227

Lamivudine Related Compound A ((2RS,5R)-5-(Cytosine-1-yl)-1,3-oxathiolane-2-carboxylic acid) (1357227)


  • Catalogue No.:PA USP1357227

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1357362

Trans-Lamivudine (1357362)


  • Catalogue No.:PA USP1357362

  • CAS :

    139757-68-9

  • Molecular Formula :

  • Molecular Weight : NA

PA BP802RB

lamivudine (802RB)


  • Catalogue No.:PA BP802RB

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA BP857RB

lamivudine impurity standard (857RB)


  • Catalogue No.:PA BP857RB

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA 12 03730

1-((2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((hydroxymethyl)amino)pyrimidin-2(1H)-one

1-((2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((hydroxymethyl)amino)pyrimidin-2(1H)-one


  • Catalogue No.:PA 12 03730

  • CAS :

    NA

  • Molecular Formula : C9H13N3O4S

  • Molecular Weight : 259.28

PA 12 03740

1-(2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione

1-(2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione


  • Catalogue No.:PA 12 03740

  • CAS :

    NA

  • Molecular Formula : C8H10N2O4S

  • Molecular Weight : 230.24

PA 12 03750

4-amino-1-((2R,6S)-6-(hydroxymethyl)-5-oxa-1l4-thiabicyclo[2.1.1]hexan-2-yl)pyrimidin-2(1H)-one

4-amino-1-((2R,6S)-6-(hydroxymethyl)-5-oxa-1l4-thiabicyclo[2.1.1]hexan-2-yl)pyrimidin-2(1H)-one


  • Catalogue No.:PA 12 03750

  • CAS :

    NA

  • Molecular Formula : C9H13N3O3S

  • Molecular Weight : 243.28