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(1-hydroxy-1-phosphonoethyl)phosphonic Acid;technetium-99

(1-hydroxy-1-phosphonoethyl)phosphonic acid;technetium-99

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(1-hydroxy-1-phosphonoethyl)phosphonic acid; technetium-99

Also known as: 63347-65-9, Technetium tc-99m etidronate, 13w7dmi45x, Technetium osteoscan, Tc-sodium etidronate, Tc-99m-ehdp

Molecular Formula

C₂H₈O₇P₂Tc

Molecular Weight

304.93 g/mol

InChI Key

VEXMHRQGHKTMHQ-IEOVAKBOSA-N

FDA UNII

13W7DMI45X

1 2D Structure

(1-hydroxy-1-phosphonoethyl)phosphonic acid; technetium-99

2 Identification

2.1 Computed Descriptors

2.1.1 IUPAC Name

(1-hydroxy-1-phosphonoethyl)phosphonic acid;technetium-99

2.1.2 InChI

InChI=1S/C2H8O7P2.Tc/c1-2(3,10(4,5)6)11(7,8)9;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);/i;1+1

2.1.3 InChI Key

VEXMHRQGHKTMHQ-IEOVAKBOSA-N

2.1.4 Canonical SMILES

CC(O)(P(=O)(O)O)P(=O)(O)O.[Tc]

2.1.5 Isomeric SMILES

CC(O)(P(=O)(O)O)P(=O)(O)O.[99Tc]

2.2 Other Identifiers

2.2.1 UNII

13W7DMI45X

2.3 Synonyms

2.3.1 MeSH Synonyms

1. Tc-99m-cu(1)-ehdp

2. Tc-99m-ehdp

3. Tc-99m-fe(ii)-hedp

4. Tc-99m-hedp

5. Tc-99m-sn(ii)-hedp

6. Tc-ethane-1-hydroxyl-1,1-diphosphonate

7. Tc-sodium Etidronate

8. Technetium Hydroxyethylidine Diphosphonate

9. Technetium Osteoscan

10. Technetium Tc 99m Cuprous Etidronate

11. Technetium Tc 99m Edhp

12. Technetium Tc 99m Etidronate

13. Technetium Tc 99m Etidronate, Tin Salt

14. Technetium Tc 99m Hedp

2.3.2 Depositor-Supplied Synonyms

1. 63347-65-9

2. Technetium Tc-99m Etidronate

3. 13w7dmi45x

4. Technetium Osteoscan

5. Tc-sodium Etidronate

6. Tc-99m-ehdp

7. Tc-99m-hedp

8. (1-hydroxy-1-phosphonoethyl)phosphonic Acid;technetium-99

9. Technetium Tc 99m Edhp

10. Technetium Tc 99m Hedp

11. Tc-99m-fe(ii)-hedp

12. Tc-99m-sn(ii)-hedp

13. Tc-99m-cu(1)-ehdp

14. Technetium Tc 99m Etidronate

15. Technetium Tc 99m Cuprous Etidronate

16. Unii-13w7dmi45x

17. Tc-ethane-1-hydroxyl-1,1-diphosphonate

18. Technetium Hydroxyethylidine Diphosphonate

19. Moli000623

20. Phosphonic Acid, (1-hydroxyethylidene)bis-, Technetium-(99)tc Salt

21. Technetium Tc 99m Etidronate [usp Impurity]

22. Q27251546

2.4 Create Date

2005-03-27

3 Chemical and Physical Properties

Molecular Formula	C₂H₈O₇P₂Tc
Molecular Weight	304.93 g/mol
Hydrogen Bond Donor Count	5
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	2
Exact Mass	304.880776 g/mol
Monoisotopic Mass	304.880776 g/mol
Topological Polar Surface Area	135 Å²
Heavy Atom Count	12
Formal Charge	0
Complexity	211
Isotope Atom Count	1
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently Bonded Unit Count	2

4 Pharmacology and Biochemistry

4.1 MeSH Pharmacological Classification

Radiopharmaceuticals

Compounds that are used in medicine as sources of radiation for radiotherapy and for diagnostic purposes. They have numerous uses in research and industry. (Martindale, The Extra Pharmacopoeia, 30th ed, p1161) (See all compounds classified as Radiopharmaceuticals.)