108440-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108440-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 108440-19:
(8*1)+(7*0)+(6*8)+(5*4)+(4*4)+(3*0)+(2*1)+(1*9)=103
103 % 10 = 3
So 108440-19-3 is a valid CAS Registry Number.
108440-19-3Relevant articles and documents
SYNTHESIS OF STEREOISOMERIC ALKYL- AND PHENYL-SUBSTITUTED 5-CYANOPIPERIDINE-3,4-DIOLS
Tyvorskii, V. I.,Tishchenko, I. G.,Kukharev, A. S.
, p. 976 - 980 (2007/10/02)
α-Hydroxy-β-ketones were obtained by the reaction of methyl- and phenyl-substituted 2-acyloxiranes with 3-alkylaminopropionitriles.Treatment of the products with sodium tert-butoxide gave stereoisomeric 5e-cyanopiperidine-3,4-diols,