120621-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120621-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120621-43:
(8*1)+(7*2)+(6*0)+(5*6)+(4*2)+(3*1)+(2*4)+(1*3)=74
74 % 10 = 4
So 120621-43-4 is a valid CAS Registry Number.
120621-43-4Relevant articles and documents
3,4-Disubstituted Isoxazolin-5-ones by Sodium Borohydride Reduction of 4-Arylmethylene- and 4-Alkylideneisoxazol-5(4H)-ones
Beccalli, Egle M.,Benincori, Tiziana,Marchesini, Alessandro
, p. 886 - 888 (1988)
Reduction of 4-arylmethylene- and 4-alkylidenisoxazol-5(4H)-ones with sodium borohydride affords the corresponding 3,4-disubstituted isoxazol-5(4H)-ones.
