20776-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20776-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,7 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20776-25:
(7*2)+(6*0)+(5*7)+(4*7)+(3*6)+(2*2)+(1*5)=104
104 % 10 = 4
So 20776-25-4 is a valid CAS Registry Number.
20776-25-4Relevant articles and documents
PRENYLATION OF OLEFINS IN NITROMETHANE
Julia, M.,Schmitz, C.
, p. 2485 - 2490 (2007/10/02)
The prenylation of isopentenyl and 3,3-dimethylallyl derivatives could be achieved efficiently with dimethyl vinyl carbinol and a variety of acids in nitromethane.Geraniol and isopentenylacetate led to farnesyl derivatives.
