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1207730-42-4

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1207730-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1207730-42-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,7,3 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1207730-42:
(9*1)+(8*2)+(7*0)+(6*7)+(5*7)+(4*3)+(3*0)+(2*4)+(1*2)=124
124 % 10 = 4
So 1207730-42-4 is a valid CAS Registry Number.

1207730-42-4Downstream Products

1207730-42-4Relevant articles and documents

Novel formal synthesis of stereospecifically C-6 deuterated d-glucose employing configurationally stable alkoxymethyllithiums

Kapeller, Dagmar C.,Hammerschmidt, Friedrich

experimental part, p. 591 - 598 (2010/09/05)

The synthesis and testing of configurational stability of chirally monodeuterated PMB- and THP-substituted oxymethyllithiums are described. Macroscopically they are configurationally stable up to -35 °C, the limit of their chemical stability, and microscopically even up to 0 °C. Furthermore, THP-protected oxy-[D1]methyllithium has been applied in the formal synthesis of (6R)-[6-D1]-d-glucose (four steps, 40% yield), an example of its use as a homochiral hydroxymethyl synthon.

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