5421-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5421-22-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,2 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5421-22:
(6*5)+(5*4)+(4*2)+(3*1)+(2*2)+(1*2)=67
67 % 10 = 7
So 5421-22-7 is a valid CAS Registry Number.
5421-22-7Relevant articles and documents
On the Mechanism of the Lewis Acid Mediated Cleavage of Chiral Acetals
Sammakia, Tarek,Smith, Randall S.
, p. 2997 - 3000 (2007/10/02)
The TiCl4-promoted cleavage of acetals has been shown to proceed by different mechanisms depending on the structure of the acetal, making it difficult to draw firm conclusions about the mechanism of related acetals based on model studies.