308143-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 308143-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,1,4 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 308143-36:
(8*3)+(7*0)+(6*8)+(5*1)+(4*4)+(3*3)+(2*3)+(1*6)=114
114 % 10 = 4
So 308143-36-4 is a valid CAS Registry Number.
308143-36-4Relevant articles and documents
Ruthenium-catalyzed transformations of cyclopropylethynes
Emme, Ingo,Bruneau, Christian,Dixneuf, Pierre H.,Militzer, Hans-Christian,De Meijere, Armin
, p. 3574 - 3588 (2008/09/19)
The addition of various carboxylic acids to (trans-2-ethoxycyclopropyl) ethyne (1) by catalysis with [Ru(O2CH)(CO)2(PPh 3)]2 proceeds regioselectively in the Markovnikov sense with ring opening of the cyclopropy