475662-12-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 475662-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,5,6,6 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 475662-12:
(8*4)+(7*7)+(6*5)+(5*6)+(4*6)+(3*2)+(2*1)+(1*2)=175
175 % 10 = 5
So 475662-12-5 is a valid CAS Registry Number.
475662-12-5Relevant articles and documents
Synthesis of phenanthrenes from formylbenzoquinone
Kraus, George A,Hoover, Kim,Zhang, Ning
, p. 5319 - 5321 (2007/10/03)
Phenanthrenes are synthesized by condensation of formylbenzoquinone with a substituted toluene followed by O-methylation and cyclization using the phosphazine base P4-tBu.