156421-26-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156421-26-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,2 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156421-26:
(8*1)+(7*5)+(6*6)+(5*4)+(4*2)+(3*1)+(2*2)+(1*6)=120
120 % 10 = 0
So 156421-26-0 is a valid CAS Registry Number.
156421-26-0Relevant articles and documents
Face Selection in Claisen Rearrangements
Mukherjee, Ashis,Wu, Qianhong,Noble, William J. le
, p. 3270 - 3274 (1994)
An investigation is reported of the stereochemistry of the Claisen rearrangement of 2-(5-phenyl-2-adamantylidene)ethyl vinyl ether (1-Ph) and of allyl (5-fluoro-2-adamatylidene)methyl ether (2-F).Both ethers undergo the rearrangement principally with the