470448-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 470448-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,0,4,4 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 470448-72:
(8*4)+(7*7)+(6*0)+(5*4)+(4*4)+(3*8)+(2*7)+(1*2)=157
157 % 10 = 7
So 470448-72-7 is a valid CAS Registry Number.
470448-72-7Relevant articles and documents
Total syntheses of the marine pyrrole alkaloids polycitone A and B
Kreipl, Andreas T.,Reid, Caroline,Steglich, Wolfgang
, p. 3287 - 3288 (2007/10/03)
equation presented Polycitone B (2) was obtained in four steps from pyrrole dicarboxylic acid 3, including Friedel-Crafts reaction of the corresponding acid chloride with anisole. The conversion of 2 into polycitone A (1) was achieved in two steps via Mit