Risedronate Sodium-impurities | Pharmaffiliates

risedronate sodium and its Impurities

A pyridinyl bisphosphonate drug, used for the treatment or prevention of osteoporosis in men and women. Risedronate helps in inhibiting the osteoclast-mediated bone resorption and modulates bone metabolism. An aminobisphosphonate derivative of etidronic acid. Reference standards of Risedronate Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 17 results for risedronate sodium Impurities
PA 18 41000

Risedronate Sodium - API Standards

Risedronate Sodium


  • Catalogue No.:PA 18 41000

  • CAS :

    115436-72-1

  • Molecular Formula : C7H10NNaO7P2

  • Molecular Weight : 305.09

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PA 18 41020

Risedronate Sodium - Impurity B

1-Hydroxy-2-(2-pyridinyl) Risedronate


  • Catalogue No.:PA 18 41020

  • CAS :

    105462-23-5

  • Molecular Formula : C7H11NO7P2

  • Molecular Weight : 283.11

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PA 18 41040

Risedronate Sodium - Impurity D

3-Pyridylacetic Acid


  • Catalogue No.:PA 18 41040

  • CAS :

    501-81-5

  • Molecular Formula : C7H7NO2

  • Molecular Weight : 137.14

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PA 27 0022169

Risedronate Sodium - Impurity D (Hydrochloride Salt)

3-Pyridylacetic Acid Hydrochloride


  • Catalogue No.:PA 27 0022169

  • CAS :

    6419-36-9

  • Molecular Formula : C7H8ClNO2

  • Molecular Weight : 173.6

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PA 18 41010

Risedronate Sodium - Impurity A (Disodium Salt)

[(3RS,6RS and 3R,6S-meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2λ5,5λ5-dioxadiphosphinane-3,6-diyl]bis(Phosphonic Acid) Disodium Salt


  • Catalogue No.:PA 18 41010

  • CAS :

    1486466-30-1

  • Molecular Formula : C14H16N2Na2O12P4

  • Molecular Weight : 574.16

PA 18 41021

Risedronate Sodium - Impurity B (Monohydrate Salt)

(1-Hydroxy-2-(pyridin-2-yl)ethane-1,1-diyl)diphosphonic Acid Hydrate


  • Catalogue No.:PA 18 41021

  • CAS :

    1220806-40-5

  • Molecular Formula : C7H13NO8P2

  • Molecular Weight : 301.13

PA 18 41030

Risedronate Sodium - Impurity C

[1-Hydroxy-2-(4-pyridinyl)ethylidene]bis-phosphonic Acid


  • Catalogue No.:PA 18 41030

  • CAS :

    105462-25-7

  • Molecular Formula : C7H11NO7P2

  • Molecular Weight : 283.11

PA 18 41050

Risedronate Sodium - Impurity E

Deoxy Risedronic Acid


  • Catalogue No.:PA 18 41050

  • CAS :

    75755-10-1

  • Molecular Formula : C7H11NO6P2

  • Molecular Weight : 267.11

PA 18 41510

Risedronate Sodium N-oxide

Risedronate Sodium N-oxide


  • Catalogue No.:PA 18 41510

  • CAS :

    1630792-68-5

  • Molecular Formula : C7H11NNaO8P2

  • Molecular Weight : 322.1

PA IPIPRS 66 13

Risedronate Sodium (IPRS/66/13)-from IPC


  • Catalogue No.:PA IPIPRS 66 13

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1604610

Risedronate Sodium (1604610)

Risedronate Sodium (1604610)


  • Catalogue No.:PA USP1604610

  • CAS :

    329003-65-8

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1604621

Risedronate Related Compound A ([1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)) (1604621)

Risedronate Related Compound A ([1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)) (1604621)


  • Catalogue No.:PA USP1604621

  • CAS :

    105462-23-5

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1604632

Risedronate Related Compound B ([3,6-bis[(3-pyridinyl)methyl]-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dio (1604632)

Risedronate Related Compound B ([3,6-bis[(3-pyridinyl)methyl]-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dio (1604632)


  • Catalogue No.:PA USP1604632

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1604643

Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid)) (1604643)

Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid)) (1604643)


  • Catalogue No.:PA USP1604643

  • CAS :

    75755-10-1

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 18 41520

Tetramethyl Risedronate

Tetramethyl Risedronate


  • Catalogue No.:PA 18 41520

  • CAS :

    919355-29-6

  • Molecular Formula : C11H19NO7P2

  • Molecular Weight : 339.22

PA 18 0410011

Risedronate Sodium - Impurity A (Free Base)

[(3RS,6RS and 3R,6S-meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2λ5,5λ5-dioxadiphosphinane-3,6-diyl]bis(phosphonic acid)


  • Catalogue No.:PA 18 0410011

  • CAS :

    1486617-90-6

  • Molecular Formula : C14H18N2O12P4

  • Molecular Weight : 530.2

PA 18 0410012

Risedronate Sodium - Impurity A (Disodium Tetrahydrate Salt)

[(3RS,6RS and 3R,6S-meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2λ5,5λ5-dioxadiphosphinane-3,6-diyl]bis(phosphonic acid) Disodium Tetrahydrate Salt


  • Catalogue No.:PA 18 0410012

  • CAS :

    NA

  • Molecular Formula : C14H26N2Na2O16P4

  • Molecular Weight : 648.23