137677-95-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137677-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,7 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137677-95:
(8*1)+(7*3)+(6*7)+(5*6)+(4*7)+(3*7)+(2*9)+(1*5)=173
173 % 10 = 3
So 137677-95-3 is a valid CAS Registry Number.
137677-95-3Relevant academic research and scientific papers
The Synthesis of Bisanthraquinones Joined by Polyether Linkages
Russell, Richard A.,Longmore, Robert W.
, p. 1479 - 1486 (2007/10/02)
Derivatives of quinizarin linked by polyether chains have been prepared by the annelation of bis(quinone monoacetals) with the anions of substituted 3-cyanophthalides.
