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?? ??:
134-35-0
???:
????(????)(P)
???(??):
????(????)(P)
???:
5-Methyltetrahydrofolic acid
???(??):
MethylFolate;5-methyltetrahydrofolate;methyl-THF;5-METHYL-THF;5-Methyl-5,6,7,8-tetrahydrofolic acid;5-Methyltetrahydrofolic Acid CalciuM Salt Trihydrate;methyl-H4F;Prefolic A;n5-CH3-THF;methyl acid
CBNumber:
CB5500949
???:
C20H25N7O6
??? ??:
459.46
MOL ??:
134-35-0.mol

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>300°C (dec.)
??
1.62±0.1 g/cm3(Predicted)
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-20°C
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?? ?? (pKa)
3.51±0.10(Predicted)
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  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
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?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
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P261 ??·?·??·???·??·...·????? ??? ????.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

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Off-White Solid

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5-Methyltetrahydrofolic acid is a metabolite of Folic acid; inhibits photosensitization reactions and strand breaks in DNA. 5-Methyltetrahydrofolic acid-(glutamic acid-13C5) can be used as a stable isotope internal standard for accurate data interpretation in citrus juice samples by LC-MS.

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5-Methyltetrahydrofolic acid (5-MTHF) is an active folate metabolite. It plays an important role in the synthesis of methionine from homocysteine by donating methyl group.
5-Methyltetrahydrofolic acid-(glutamic acid-13C5) is an isotope of vitamin B9 wherein all the five glutamate carbons are replaced by 13C6 carbon.

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