90033-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90033-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,3 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90033-21:
(7*9)+(6*0)+(5*0)+(4*3)+(3*3)+(2*2)+(1*1)=89
89 % 10 = 9
So 90033-21-9 is a valid CAS Registry Number.
90033-21-9Relevant academic research and scientific papers
Ito, Yoshio,Yamaguchi, Masaru
, p. 5385 - 5386 (1983)
2-Alkyl-3-oxo amides were reduced to the corresponding syn-2-alkyl-3-hydroxy amides with high stereoselectivity by zinc borohydride.
