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Chemistry

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Also known as: 506-68-3, Bromine cyanide, Cyanobromide, Bromocyanide, Bromocyanogen, Bromocyan
Molecular Formula
CBrN
Molecular Weight
105.92  g/mol
InChI Key
ATDGTVJJHBUTRL-UHFFFAOYSA-N
FDA UNII
OS382OHJ8P

Cyanogen Bromide
Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes.
1 2D Structure

Cyanogen Bromide

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
carbononitridic bromide
2.1.2 InChI
InChI=1S/CBrN/c2-1-3
2.1.3 InChI Key
ATDGTVJJHBUTRL-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C(#N)Br
2.2 Other Identifiers
2.2.1 UNII
OS382OHJ8P
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Bromide, Cyanogen

2.3.2 Depositor-Supplied Synonyms

1. 506-68-3

2. Bromine Cyanide

3. Cyanobromide

4. Bromocyanide

5. Bromocyanogen

6. Bromocyan

7. Campilit

8. Carbononitridic Bromide

9. Cyanogen Monobromide

10. Bromure De Cyanogen

11. Cyanogen Bromide (brcn)

12. Bromocyane

13. Cyanic Bromide

14. Cyanogen Bromide ((cn)br)

15. Rcra Waste Number U246

16. Tl 822

17. Brcn

18. Nsc 89684

19. Os382ohj8p

20. Bromoformonitrile

21. Nsc-89684

22. Cyanogenbromide

23. Bromine Monocyanide

24. Bromure De Cyanogen [french]

25. Hsdb 708

26. Einecs 208-051-2

27. Mfcd00011597

28. Un1889

29. Rcra Waste No. U246

30. Unii-os382ohj8p

31. Brn 1697296

32. Bromcyane

33. Bromo Cyane

34. Ai3-28715

35. Cyanic Bromide #

36. Cnbr

37. Bromocyanide(brcn)

38. Bromocyanide (brcn)

39. Br-cn

40. Bromine Cyanide(brcn)

41. (cn)br

42. Bromine Cyanide (brcn)

43. Dsstox_cid_1550

44. Wln: E Cn

45. Dsstox_gsid_21550

46. 4-03-00-00092 (beilstein Handbook Reference)

47. Cyanogen Bromide [mi]

48. Cyanogen Bromide [hsdb]

49. Chembl3561885

50. Dtxsid9021550

51. Nsc89684

52. Tox21_303779

53. Tl-822

54. Cyanogen Bromide, >=98.5% (rt)

55. Akos009152676

56. Cyanogen Bromide, Reagent Grade, 97%

57. Un 1889

58. Cyanogen Bromide [un1889] [poison]

59. Ncgc00356964-01

60. Bp-10442

61. Cas-506-68-3

62. Ft-0665252

63. Cyanogen Bromide Solution, 5 M In Acetonitrile

64. Cyanogen Bromide, 99.995% Trace Metals Basis

65. Cyanogen Bromide Solution, 5.0 M In Acetonitrile

66. Q420258

67. J-520130

68. J-802176

69. Cyanogen Bromide Solution, 3.0 M In Methylene Chloride

2.4 Create Date
2005-03-26
3 Chemical and Physical Properties
Molecular Weight 105.92 g/mol
Molecular Formula CBrN
XLogP31.1
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass104.92141 g/mol
Monoisotopic Mass104.92141 g/mol
Topological Polar Surface Area23.8 Ų
Heavy Atom Count3
Formal Charge0
Complexity31.3
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Minimum/Potential Fatal Human Dose

0.4 mg/L (92 ppm) in air is fatal after 10 min. /From table/

Bingham, E.; Cohrssen, B.; Powell, C.H.; Patty's Toxicology Volumes 1-9 5th ed. John Wiley & Sons. New York, N.Y. (2001)., p. 1399


5 Pharmacology and Biochemistry
5.1 Absorption, Distribution and Excretion

Cyanide is distributed to all organs and tissues via the blood, where its concn in red cells is greater than that in plasma by a factor of two or three. Presumably, the accumulation of cyanide in erythrocytes is a reflection of its binding to methemoglobin. /Cyanide/

USEPA; Ambient Water Quality Criteria Doc: Cyanides p.C-9 (1980) EPA 440/5-80-037


The cyanide ion is readily absorbed after oral or parenteral admin. Prolonged local contact with cyanide soln ... may result in absorption of toxic amt through skin. Part of absorbed cyanide is excreted unchanged by the lung. Larger portion ... is converted by sulfurtransferase to relatively nontoxic thiocyanate ion. /Cyanide/

Goodman, L.S., and A. Gilman. (eds.) The Pharmacological Basis of Therapeutics. 5th ed. New York: Macmillan Publishing Co., Inc., 1975., p. 904


Once absorbed into the body, cyanide can form complexes with heavy metal ions. /Cyanide/

NIOSH; Criteria Document: Hydrogen Cyanide and Cyanide Salts p.45 (1976) DHEW Pub. NIOSH 77-108


Presumably, the accumulation of cyanide in erythrocytes is a reflection of its binding to methemoglobin. /Cyanide/

USEPA; Ambient Water Quality Criteria Doc: Cyanides p.C-9 (1980) EPA 440/5-80-037


5.2 Metabolism/Metabolites

The small quantity of cyanide always present in human tissues is metabolized at the approximate rate of 17 ug/kg x min, primarily by the hepatic enzyme rhodanese, which catalyzes the irreversible reaction of cyanide and a sulfane to produce thiocyanate, a relatively nontoxic compound excreted in the urine. ... The limiting factor under normal conditions is the availability of a sulfane as a substrate for rhodanese, and sulfur is administered therapeutically as sodium thiosulfate to accelerate this reaction. The lethal dose of cyanide is time dependent because of the ability of the body to detoxify small amounts of cyanide via the rhodanese-catalyzed reaction with sulfane. A given amount of cyanide absorbed slowly may cause no biological effects even though the same amount administered over a very short period of time may be lethal. /Hydrogen cyanide and cyanogen chloride/

U.S. Army Research Institute of Chemical Defense, Chemical Casualty Care Division; Medical Management of Chemical Casualties Handbook, 3rd Ed. Aberdeen Proving Ground, MD (July 2000) Available from, as of August 28, 2013: https://www.operationalmedicine.org/TextbookFiles/mmccthirdeditionjul2000.pdf


... Cyanide ion is conjugated with sulfur to form thiocyanate. ... conjugation is catalyzed by the enzyme rhodanese which is widely distributed in most animal tissues except blood, liver being particularly active. ... the rhodanese mechanism is capable of detoxicating only limited amt of cyanide, such as are formed during normal metab. /another sulfur donor is 3-mercaptopyruvate. The enzyme, mercaptosulfur transferase is localized in cytosol./ /Cyanide/

Parke, D. V. The Biochemistry of Foreign Compounds. Oxford: Pergamon Press, 1968., p. 96


/One of/ the major mechanism/s/ for removing cyanide from the body is its enzymatic conversion, by the mitochondrial enzyme rhodanese (transsulfurase), to thiocyanate, which is relatively ... /less toxic/. /Cyanide/

Hardman, J.G., L.E. Limbird, P.B. Molinoff, R.W. Ruddon, A.G. Goodman (eds.). Goodman and Gilman's The Pharmacological Basis of Therapeutics. 9th ed. New York, NY: McGraw-Hill, 1996., p. 1688


5.3 Biological Half-Life

Half-life for the conversion of cyanide to thiocyanate from a non-lethal dose in man is between 20 min and 1 hr. /Cyanide/

Feldstein M, Klendshoj NC; J Lab Chin Med 44: 166-70 (1954) as cited in NIOSH; Criteria Document: Hydrogen Cyanide and Cyanide Salts p.45 (1976) DHEW Pub. NIOSH 77-108


5.4 Mechanism of Action

Cyanide has a very high affinity for iron in the ferric state. When absorbed /cyanide/ ... reacts readily with trivalent iron of cytochrome oxidase in mitochondria; cellular respiration is thus inhibited & cytotoxic hypoxia results. Since utilization of oxygen is blocked, venous blood is oxygenated and is almost as bright red as arterial blood. Respiration is stimulated because chemoreceptive cells respond as they do to decreased oxygen. A transient stage of CNS stimulation with hyperpnea and headache is observed; finally there are hypoxic convulsions and death due to respiratory arrest. /Cyanide/

Hardman, J.G., L.E. Limbird, P.B. Molinoff, R.W. Ruddon, A.G. Goodman (eds.). Goodman and Gilman's The Pharmacological Basis of Therapeutics. 9th ed. New York, NY: McGraw-Hill, 1996., p. 1688


ABOUT THIS PAGE

Cyanogen Bromide Manufacturers

A Cyanogen Bromide manufacturer is defined as any person or entity involved in the manufacture, preparation, processing, compounding or propagation of Cyanogen Bromide, including repackagers and relabelers. The FDA regulates Cyanogen Bromide manufacturers to ensure that their products comply with relevant laws and regulations and are safe and effective to use. Cyanogen Bromide API Manufacturers are required to adhere to Good Manufacturing Practices (GMP) to ensure that their products are consistently manufactured to meet established quality criteria.

Cyanogen Bromide Suppliers

A Cyanogen Bromide supplier is an individual or a company that provides Cyanogen Bromide active pharmaceutical ingredient (API) or Cyanogen Bromide finished formulations upon request. The Cyanogen Bromide suppliers may include Cyanogen Bromide API manufacturers, exporters, distributors and traders.

Cyanogen Bromide GMP

Cyanogen Bromide Active pharmaceutical ingredient (API) is produced in GMP-certified manufacturing facility.

GMP stands for Good Manufacturing Practices, which is a system used in the pharmaceutical industry to make sure that goods are regularly produced and monitored in accordance with quality standards. The FDA’s current Good Manufacturing Practices requirements are referred to as cGMP or current GMP which indicates that the company follows the most recent GMP specifications. The World Health Organization (WHO) has its own set of GMP guidelines, called the WHO GMP. Different countries can also set their own guidelines for GMP like China (Chinese GMP) or the EU (EU GMP).

PharmaCompass offers a list of Cyanogen Bromide GMP manufacturers, exporters & distributors, which can be sorted by USDMF, JDMF, KDMF, CEP (COS), WC, API price, and more, enabling you to easily find the right Cyanogen Bromide GMP manufacturer or Cyanogen Bromide GMP API supplier for your needs.

Cyanogen Bromide CoA

A Cyanogen Bromide CoA (Certificate of Analysis) is a formal document that attests to Cyanogen Bromide's compliance with Cyanogen Bromide specifications and serves as a tool for batch-level quality control.

Cyanogen Bromide CoA mostly includes findings from lab analyses of a specific batch. For each Cyanogen Bromide CoA document that a company creates, the USFDA specifies specific requirements, such as supplier information, material identification, transportation data, evidence of conformity and signature data.

Cyanogen Bromide may be tested according to a variety of international standards, such as European Pharmacopoeia (Cyanogen Bromide EP), Cyanogen Bromide JP (Japanese Pharmacopeia) and the US Pharmacopoeia (Cyanogen Bromide USP).

Inform the supplier about your product requirements, specifying if you need a product with particular monograph like EP (Ph. Eur.), USP, JP, BP, or any other quality. In addition, clarify whether you need hydrochloride (HCl), anhydricum, base, micronisatum or a specific level of purity. To find reputable suppliers, utilize the filters and select those certified by GMP, FDA, or any other certification as per your requirement.
For your convenience, we have listed synonyms and CAS numbers to help you find the best supplier. The use of synonyms and CAS numbers can be helpful in identifying potential suppliers, but it is crucial to note that they might not always indicate the exact same product. It is important to confirm the product details with the supplier before making a purchase to ensure that it meets your requirements.
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