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97511-52-9

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97511-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97511-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,1 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 97511-52:
(7*9)+(6*7)+(5*5)+(4*1)+(3*1)+(2*5)+(1*2)=149
149 % 10 = 9
So 97511-52-9 is a valid CAS Registry Number.

97511-52-9Relevant articles and documents

MODELS OF FOLATE COFACTORS 17. METHYLATION OF 1,3-DIMETHYL-6-METHYLAMINO-URACIL BY A 5,10-CH2-H4FOLATE MODEL. THE FIRST MIMIC OF THE OVERALL dTMP SYNTHASE REACTION

Meij, Paul F.C. van der,Chen, Tjoe B.R.A.,Hilhorst, Ellen,Waard, Eduard R. De,Pandit, Upenda K.

, p. 4015 - 4022 (2007/10/02)

2-Tosyl-1,2,3,12b-tetrahydroimidazophenanthridine (6) was prepared in five steps from 6-chloromethylphenanthridine (1) in an overall yield of 50percent.The reaction of 6 with 1,3-dimethyl-6-methylaminouracil (8) in CH3CN/TFA (100:1) at 50-80 deg C, gave a mixture of products from which 1,3-dimethyl-6-methylaminothymine (9a) could be isolated.This constitutes a mimic of the overall dTMP synthase reaction in transferring both a methylene unit and a hydride equivalent from the cofactor model 6 to the 5-position of a uracil derivative.The other products which are formed in the reaction of 6 with 8 are derived from the reaction of the exocyclic intermediate C, formed in the carbon transfer step, with nucleophiles present in the reaction mixture.

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