75146-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75146-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,4 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75146-04:
(7*7)+(6*5)+(5*1)+(4*4)+(3*6)+(2*0)+(1*4)=122
122 % 10 = 2
So 75146-04-2 is a valid CAS Registry Number.
75146-04-2Relevant academic research and scientific papers
THE SPIROBICHROMAN-DIHYDROXYSPIROBIINDANE REARRANGEMENT
Tanaka, Tsuguo
, p. 739 - 742 (2007/10/02)
Rearrangement of 2,2'-spirobichroman derivatives having electron donating substituents into 4,4'-dihydroxy-1,1'-spirobiindane analogues was effected by boiling solution of the former in HBr- or HI-HBr-acetic acid.
