101542-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101542-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,5,4 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 101542-90:
(8*1)+(7*0)+(6*1)+(5*5)+(4*4)+(3*2)+(2*9)+(1*0)=79
79 % 10 = 9
So 101542-90-9 is a valid CAS Registry Number.
101542-90-9Relevant articles and documents
Smiles Rearrangement of a Pyridyl Sulfoxide
Braun, Manfred,Hild, Wilhelm
, p. 2377 - 2380 (2007/10/02)
The diastereomeric alkoxides 2b/3b, generated in situ by addition of the lithiated sulfoxide 1b to benzaldehyde, afford the disulfide 4 in tetrahydrofuran/hexamethylphosphoric triamide at room temperature.Obviously, a Smiles rearrangement of the lithium s