87228-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87228-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,2 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87228-55:
(7*8)+(6*7)+(5*2)+(4*2)+(3*8)+(2*5)+(1*5)=155
155 % 10 = 5
So 87228-55-5 is a valid CAS Registry Number.
87228-55-5Relevant articles and documents
A NOVEL ROUTE FROM A CARBOXYLIC ACID TO A CARBALDEHYDE USING METHYLTHIOMETHYL p-TOLYL SULFONE
Ogura, Katsuyuki,Yahata, Nobuhiro,Takahashi, Kazumasa,Iida, Hirotada
, p. 5761 - 5762 (2007/10/02)
A new conversion of a carboxylic ester to a carbaldehyde involing formation and dissociation of a C-C bond at the acyl carbon was accomplished by the use of methylthiomethyl p-tolyl sulfone (1).