66883-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66883-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,8 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66883-44:
(7*6)+(6*6)+(5*8)+(4*8)+(3*3)+(2*4)+(1*4)=171
171 % 10 = 1
So 66883-44-1 is a valid CAS Registry Number.
66883-44-1Relevant articles and documents
Substituted-2,3-dihydrobenzofuran-2-ones
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, (2008/06/13)
This invention provides new compounds of the formula, STR1 wherein R1 is alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 8 carbon atoms or phenyl, R2 is hydrogen or lower alkyl, and R3 is halogen, nitro, lower alkyl, met
