7745-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7745-40-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,4 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7745-40:
(6*7)+(5*7)+(4*4)+(3*5)+(2*4)+(1*0)=116
116 % 10 = 6
So 7745-40-6 is a valid CAS Registry Number.
7745-40-6Relevant articles and documents
Cleavage of acetals promoted by copper (II) sulphate adsorbed on silica gel
Cabellero,Gros
, p. 395 - 404 (2007/10/02)
Copper sulphate supported on silica gel promotes the easy removal of cyclic acetals and tetrahydropyranyl ethers to give the respective parent carbonyl and hydroxyl compounds.