848644-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 848644-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,6,4 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 848644-99:
(8*8)+(7*4)+(6*8)+(5*6)+(4*4)+(3*4)+(2*9)+(1*9)=225
225 % 10 = 5
So 848644-99-5 is a valid CAS Registry Number.
848644-99-5Relevant articles and documents
Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate
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, (2008/06/13)
An improved process for the preparation of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate is described where a halo hydroxyester or other activated dihydroxyester is converted in two steps to the desired product.