(6R,S)-5,10-Methenyl-5,6,7,8-tetrahydrofolic Acid

(6R,S)-5,10-Methenyl-5,6,7,8-tetrahydrofolic acid is an intermediate in the biosynthesis of thymidylate.Formal Name: (6aR)-3-amino-8-[4-[[[(1S)-1,3-dicarboxypropyl]amino]carbonyl]phenyl]-1,2,5,6,6a,7-hexahydro-1-oxo-imidazo[1,5-f]pteridinium, inner salt. CAS Number: 7444-29-3. Synonyms: Anhydroleucovorin, 6R-N5-N10-methylene-5,6,7,8-tetrahydrofolate. Molecular Formula: C20H21N7O6. Formula Weight: 455.4. Purity: >95%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMSO: 1 mg/ml, DMSO:PBS (pH 7.2) (1:1): 0.50 mg/ml, PBS (pH 7.2): slightly soluble. lambdamax: 370 nm. SMILES: O=C1C2=C(NC[C@@]3([H])N2C=[N+](C4=CC=C(C(N[C@H](C([O-])=O)CCC(O)=O)=O)C=C4)C3)NC(N)=N1. InChi Code: InChI=1S/C20H21N7O6/c21-20-24-16-15(18(31)25-20)27-9-26(8-12(27)7-22-16)11-3-1-10(2-4-11)17(30)23-13(19(32)33)5-6-14(28)29/h1-4,9,12-13H,5-8H2,(H6-,21,22,23,24,25,28,29,30,31,32,33)/t12-,13+/m1/s1. InChi Key: MEANFMOQMXYMCT-OLZOCXBDSA-N.