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Merck

M9756

Sigma-Aldrich

甲钴胺

vitamin B12 analog

别名:

Methyl cobalamine

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About This Item

经验公式(希尔记法):
C63H91CoN13O14P
CAS号:
分子量:
1344.38
EC號碼:
MDL號碼:
分類程式碼代碼:
12352205
eCl@ss:
34058004
PubChem物質ID:
NACRES:
NA.79

生物源

synthetic (organic)

化驗

≥97%

形狀

powder

技術

HPLC: suitable

顏色

red to very dark red

儲存溫度

−20°C

SMILES 字串

C[Co+]N1C2=C(C)C3=NC(=CC4=NC([C@@H](CCC(N)=O)C4(C)C)=C(C)C5=N[C@H]([C@H](CC(N)=O)[C@@]5(C)CCC(=O)NCC(C)OP([O-])(=O)O[C@H]6[C@@H](O)[C@H](O[C@@H]6CO)n7cnc8cc(C)c(C)cc78)[C@@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O)[C@@H](CCC(N)=O)[C@]3(C)CC(N)=O

InChI

1S/C62H90N13O14P.CH3.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;;/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;/q;;+2/p-2/t31?,34-,35-,36-,37+,41-,52-,53-,56-,57+,59-,60+,61+,62+;;/m1../s1

InChI 密鑰

JEWJRMKHSMTXPP-WYVZQNDMSA-L

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一般說明

甲基钴胺素(MeCbl)是维生素B12 (钴胺素)的类似物。它与钴胺素的不同之处在于含有一个甲基。生理活性形式的维生素B12含有甲基钴胺素和腺苷钴胺素。

應用

在自动竞争蛋白结合(CPB)测定中,甲钴胺已被用于制备血清维生素B12的标准溶液。

生化/生理作用

甲基钴胺素(MeCbl)是蛋氨酸合酶的辅酶。在甲基化循环中,蛋氨酸合酶参与高半胱氨酸到蛋氨酸的转化。它具有改善神经系统疾病、腕管综合症和bell′s麻痹的作用。
相较于其他咕啉/钴胺素衍生物来说,维生素B12 类似物是一种效力较低的一氧化氮合酶(NOS)抑制剂。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析证书(COA)

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访问文档库

Methylcobalamin: a potential vitamin of pain killer
Zhang M, et al.
Neural Plast. (2013)
John David Spence
Clinical chemistry and laboratory medicine, 51(3), 633-637 (2013-03-02)
Therapy to lower homocysteine with B vitamins does reduce the risk of stroke, if not myocardial infarction. The apparent lack of efficacy of vitamin therapy in most of the large clinical trials was probably determined by the failure to take
Kenneth M Prentice et al.
mAbs, 5(6), 974-981 (2013-08-09)
Process control of protein therapeutic manufacturing is central to ensuring the product is both safe and efficacious for patients. In this work, we investigate the cause of pink color variability in development lots of monoclonal antibody (mAb) and Fc-fusion proteins.
Hajime Hirao
The journal of physical chemistry. A, 115(33), 9308-9313 (2011-08-03)
Controversy remains regarding the suitable density functionals for the calculation of vitamin B(12) systems that contain cobalt. To identify the optimum functionals, geometry optimization calculations were performed on a full-size model of methylcobalamin (MeCbl) using the B3LYP, B3LYP-D, BP86, and
Methylcobalamin increases Erk1/2 and Akt activities through the methylation cycle and promotes nerve regeneration in a rat sciatic nerve injury model
Okada K, et al.
Experimental Neurology, 222(2), 191-203 (2010)

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