MedKoo Cat#: 413220 | Name: Hydroxocobalamin acetate
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Hydroxocobalamin acetate is an injectable form of vitamin B 12 that has been used therapeutically to treat vitamin B 12 deficiency. It is also used in cyanide poisoning, Leber's optic atrophy, and toxic amblyopia.

Chemical Structure

Hydroxocobalamin acetate
Hydroxocobalamin acetate
CAS#22465-48-1 (acetate)

Theoretical Analysis

MedKoo Cat#: 413220

Name: Hydroxocobalamin acetate

CAS#: 22465-48-1 (acetate)

Chemical Formula: C64H91CoN13O16P

Exact Mass:

Molecular Weight: 1388.41

Elemental Analysis: C, 55.37; H, 6.61; Co, 4.24; N, 13.12; O, 18.44; P, 2.23

Price and Availability

Size Price Availability Quantity
1g USD 550.00 2 Weeks
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Synonym
Hydroxocobalamin acetate; Acetatocobalamin; Twelvmin; Fresmin S, Vitamin B12a Acetate
IUPAC/Chemical Name
Cobinamide, acetate (salt) hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with 5,6-dimethyl-1-alpha-D-ribofuranosylbenzimidazole
InChi Key
KPFAAKYTRSSOQN-CBODNMDTSA-K
InChi Code
InChI=1S/C62H90N13O14P.C2H4O2.Co/c1-29-20-39-40(21-30(29)2)75(28-70-39)57-52(84)53(41(27-76)87-57)89-90(85,86)88-31(3)26-69-49(83)18-19-59(8)37(22-46(66)80)56-62(11)61(10,25-48(68)82)36(14-17-45(65)79)51(74-62)33(5)55-60(9,24-47(67)81)34(12-15-43(63)77)38(71-55)23-42-58(6,7)35(13-16-44(64)78)50(72-42)32(4)54(59)73-56;1-2(3)4;/h20-21,23,28,31,34-37,41,52-53,56-57,76,84H,12-19,22,24-27H2,1-11H3,(H15,63,64,65,66,67,68,69,71,72,73,74,77,78,79,80,81,82,83,85,86);1H3,(H,3,4);/q;;+3/p-3/t31?,34-,35-,36-,37+,41+,52+,53+,56-,57-,59-,60+,61+,62+;;/m1../s1
SMILES Code
CC(CNC(=O)CC[C@]1(C)[C@@H](CC(N)=O)[C@H]2N=C1C(C)=C3N=C(C=C4N=C(C(C)=C5[C@@H](CCC(N)=O)[C@](C)(CC(N)=O)[C@@]2(C)N5[Co]OC(C)=O)[C@@](C)(CC(N)=O)[C@@H]4CCC(N)=O)C(C)(C)[C@@H]3CCC(N)=O)OP([O-])(=O)O[C@H]6[C@@H](O)[C@H](O[C@@H]6CO)n7cnc8cc(C)c(C)cc78
Appearance
Solid powder
Purity
>95% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 1,388.41 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Thompson A, Dunn M, Jefferson RD, Dissanayake K, Reed F, Gregson R, Greenhalgh S, Clutton RE, Blain PG, Thomas SH, Eddleston M. Modest and variable efficacy of pre-exposure hydroxocobalamin and dicobalt edetate in a porcine model of acute cyanide salt poisoning. Clin Toxicol (Phila). 2020 Mar;58(3):190-200. doi: 10.1080/15563650.2019.1628969. Epub 2019 Aug 7. PMID: 31389254; PMCID: PMC7034532. 2: MacLennan L, Moiemen N. Management of cyanide toxicity in patients with burns. Burns. 2015 Feb;41(1):18-24. doi: 10.1016/j.burns.2014.06.001. Epub 2014 Jun 30. PMID: 24994676. 3: EVANS CL. COBALT COMPOUNDS AS ANTIDOTES FOR HYDROCYANIC ACID. Br J Pharmacol Chemother. 1964 Dec;23(3):455-75. doi: 10.1111/j.1476-5381.1964.tb01603.x. PMID: 14256807; PMCID: PMC1703995. 4: MARCUS AD, STANLEY JL. STABILITY OF THE COBALAMIN MOIETY IN BUFFERED AQUEOUS SOLUTIONS OF HYDROXOCOBALAMIN. J Pharm Sci. 1964 Jan;53:91-4. doi: 10.1002/jps.2600530118. PMID: 14106383. 5: Elliott TR, Guildford AL. An In Vitro Model of Gastric Inflammation and Treatment with Cobalamin. Int J Inflam. 2017;2017:5968618. doi: 10.1155/2017/5968618. Epub 2017 Jun 6. PMID: 28676841; PMCID: PMC5476893. 6: Cao N, Wong YG, Rosli S, Kiriazis H, Huynh K, Qin C, Du XJ, Kemp-Harper BK, Ritchie RH. Chronic administration of the nitroxyl donor 1-nitrosocyclo hexyl acetate limits left ventricular diastolic dysfunction in a mouse model of diabetes mellitus in vivo. Circ Heart Fail. 2015 May;8(3):572-81. doi: 10.1161/CIRCHEARTFAILURE.114.001699. Epub 2015 Mar 3. PMID: 25737497. 7: Ramsay ID, Rushton DH. Reduced serum vitamin B12 levels during oral cyproterone-acetate and ethinyl-oestradiol therapy in women with diffuse androgen-dependent alopecia. Clin Exp Dermatol. 1990 Jul;15(4):277-81. doi: 10.1111/j.1365-2230.1990.tb02089.x. PMID: 2145099. 8: Astier A, Baud FJ. Simultaneous determination of hydroxocobalamin and its cyanide complex cyanocobalamin in human plasma by high-performance liquid chromatography. Application to pharmacokinetic studies after high-dose hydroxocobalamin as an antidote for severe cyanide poisoning. J Chromatogr B Biomed Appl. 1995 May 5;667(1):129-35. doi: 10.1016/0378-4347(95)00012-8. PMID: 7663675. 9: Hashsham SA, Freedman DL. Enhanced biotransformation of carbon tetrachloride by Acetobacterium woodii upon addition of hydroxocobalamin and fructose. Appl Environ Microbiol. 1999 Oct;65(10):4537-42. doi: 10.1128/AEM.65.10.4537-4542.1999. PMID: 10508086; PMCID: PMC91604. 10: Beck RA, Anes JM, Savini LM, Mateer RA. Picomolar quantitation of free sulfite in foods by means of [57Co]hydroxocobalamin and radiometric chromatography of [57Co]sulfitocobalamin. Method, applications and significance of coexisting sulfides. J Chromatogr A. 2000 Jun 9;881(1-2):345-56. doi: 10.1016/s0021-9673(99)01310-2. PMID: 10905718.