1279118-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279118-59-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,1,1 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1279118-59:
(9*1)+(8*2)+(7*7)+(6*9)+(5*1)+(4*1)+(3*8)+(2*5)+(1*9)=180
180 % 10 = 0
So 1279118-59-0 is a valid CAS Registry Number.
1279118-59-0Relevant articles and documents
Access to 2,3-bis(buta-1,3-diynyl)pyridines
Sorokoumov, Viktor N.,Popik, Vladimir V.,Balova, Irina A.
, p. 19 - 20 (2011)
Sonogashira cross-coupling of 2-chloro-3-iodopyridines with buta-1,3-diynes gave products of only iodine substitution; in the case of 2-bromo-3- iodopyridine either 2-bromo-3-(buta-1,3-diynyl)- or 2,3-bis(buta-1,3-diynyl) pyridines were obtained depending
