97458-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97458-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,5 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97458-90:
(7*9)+(6*7)+(5*4)+(4*5)+(3*8)+(2*9)+(1*0)=187
187 % 10 = 7
So 97458-90-7 is a valid CAS Registry Number.
97458-90-7Relevant articles and documents
Reductive Dimerisation of Ketazines with Sodium
Singh, M. S.,Mehrotra, K. N.
, p. 208 - 209 (2007/10/02)
The reaction of benzophenoneazines (Ia, b) with sodium in dry tetrahydrofuran and subsequent addition of aq. ammonium chloride give reductive dimers (IIa, b) of azines in high yields.The reaction of Ia, b with sodium in dry dioxane followed by treatment w
