658043-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 658043-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,0,4 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 658043-40:
(8*6)+(7*5)+(6*8)+(5*0)+(4*4)+(3*3)+(2*4)+(1*0)=164
164 % 10 = 4
So 658043-40-4 is a valid CAS Registry Number.
658043-40-4Relevant articles and documents
NOVEL 4-AMINO-2(5H)-FURANONES
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Page 33-34, (2008/06/13)
The present invention relates to compounds of formula (I): wherein X is selected from hydrogen, a halogen, a substituted or unsubstituted cyclic and heterocyclic moiety, substituted or unsubstituted, linear or branched alkyl, alkyloxy, alkylcarbonyl, alky
