81758-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81758-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,5 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81758-24:
(7*8)+(6*1)+(5*7)+(4*5)+(3*8)+(2*2)+(1*4)=149
149 % 10 = 9
So 81758-24-9 is a valid CAS Registry Number.
81758-24-9Relevant articles and documents
LANTHANIDES AS LEWIS-ACID CATALYSTS IN ALDOL ADDITION, CYANOHYDRIN-FORMING AND OXIRANE RING OPENING REACTIONS
Vougioukas, Angelos E.,Kagan, Henri B.
, p. 5513 - 5516 (1987)
Lanthanide trichlorides (Ln = La,Ce,Sm) and Eu(fod)3 catalyze the aldol addition of silyl enol ethers to aldehydes, the addition of trimethylsilyl cyanide to aldehydes and ketones as well as the synthesis of β-cyanosilyl ethers.
