868139-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 868139-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,8,1,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 868139-67:
(8*8)+(7*6)+(6*8)+(5*1)+(4*3)+(3*9)+(2*6)+(1*7)=217
217 % 10 = 7
So 868139-67-7 is a valid CAS Registry Number.
868139-67-7Relevant articles and documents
Metathesis reactions of pyrazolotriazinones generate dynamic combinatorial libraries
Wipf, Peter,Mahler, S. Graciela,Okumura, Kazuo
, p. 4483 - 4486 (2005)
(Chemical Equation Presented) Reversible metathesis reactions of pyrazolotriazinones and aliphatic aldehydes or ketones proceed in aqueous, phosphate-buffered media at pH 4 and 40-60°C to generate thermodynamically controlled mixtures of heterocycles.
