1237836-86-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1237836-86-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,7,8,3 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1237836-86:
(9*1)+(8*2)+(7*3)+(6*7)+(5*8)+(4*3)+(3*6)+(2*8)+(1*6)=180
180 % 10 = 0
So 1237836-86-0 is a valid CAS Registry Number.
1237836-86-0Relevant articles and documents
Bronsted acid-mediated nazarov cyclization of vinylallenes
Wu, Yen-Ku,West
supporting information; experimental part, p. 5410 - 5413 (2010/09/07)
(Figure presented) Treatment of siloxy enynes with base leads to the corresponding vinylsiloxyallenes which undergo Nazarov cyclization in the presence of trifluoroacetic acid to provide the cyclized product as a mixture of regioisomers in moderate to goo