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148839-62-7

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148839-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148839-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,3 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 148839-62:
(8*1)+(7*4)+(6*8)+(5*8)+(4*3)+(3*9)+(2*6)+(1*2)=177
177 % 10 = 7
So 148839-62-7 is a valid CAS Registry Number.

148839-62-7Relevant articles and documents

Preparation and reactions of 2,2-dimethyl-1,3-dioxan-5-one-SAMP-hydrazone: A versatile chiral dihydroxyacetone equivalent

Enders, Dieter,Voith, Matthias,Ince, Stuart J.

, p. 1775 - 1779 (2007/10/03)

The SAMP-hydrazone of 2,2-dimethyl-1,3-dioxan-5-one represents a valuable chiral dihydroxyacetone equivalent. Asymmetric mono- or α,α′-bisalkylations followed by auxiliary cleavage leads to the corresponding mono- or α,α′-disubstituted, acetonide protected ketodiols in excellent diastereo- and enantiomeric excesses.

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