147411-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147411-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,4,1 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 147411-66:
(8*1)+(7*4)+(6*7)+(5*4)+(4*1)+(3*1)+(2*6)+(1*6)=123
123 % 10 = 3
So 147411-66-3 is a valid CAS Registry Number.
147411-66-3Relevant articles and documents
A practical synthesis of 6-acetylsalicylic acid methyl ester
Tamaru,Umezu,Maejima,Kageyama,Kimura
, p. 2749 - 2756 (2007/10/02)
A new and efficient synthesis of the title compound is reported. The method includes a regioselective ortho-lithiation step in none polar solvents at an ambient temperature and the overall yield for 5 steps is more than 70% from a commercially available 3-hydroxyacetophenone.
