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2D Structure
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

2D Structure

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 Weight 304.93 g/mol
Molecular Formula C2H8O7P2Tc
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count7
Rotatable Bond Count2
Exact Mass304.880776 g/mol
Monoisotopic Mass304.880776 g/mol
Topological Polar Surface Area135 Ų
Heavy Atom Count12
Formal Charge0
Complexity211
Isotope Atom Count1
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
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.)