127771-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127771-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,7 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127771-28:
(8*1)+(7*2)+(6*7)+(5*7)+(4*7)+(3*1)+(2*2)+(1*8)=142
142 % 10 = 2
So 127771-28-2 is a valid CAS Registry Number.
127771-28-2Relevant academic research and scientific papers
5-HYDROXY-2-SUBSTITUTED.2,4,6,7-TETRAMETHYL-2,3-DIHYDROBENZOFURANS
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, (2008/06/13)
The present invention relates to a compound of the formula: wherein R1 is hydrogen or a lower alkyl; R2 is methyl which is substituted by a carboxy, alkoxycarbonyl, cyano, halogen, aryl or heterocyclic group of C2-15 chain hydrocarbon residue having no lo