139539-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139539-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,3 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139539-80:
(8*1)+(7*3)+(6*9)+(5*5)+(4*3)+(3*9)+(2*8)+(1*0)=163
163 % 10 = 3
So 139539-80-3 is a valid CAS Registry Number.
139539-80-3Relevant articles and documents
A facile one-pot synthesis of methyl(2E)-2-methylalk-2-enoates from Baylis-Hillman adducts under microwave irradiation
Ravichandran
, p. 2055 - 2057 (2001)
A facile procedure for the synthesis of the title compound is described.
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Cason,Kalm
, p. 1947,1956 (1954)
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