57813-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57813-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,1 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57813-28:
(7*5)+(6*7)+(5*8)+(4*1)+(3*3)+(2*2)+(1*8)=142
142 % 10 = 2
So 57813-28-2 is a valid CAS Registry Number.
57813-28-2Relevant articles and documents
A NOVEL SYNTHESIS OF 2,3-EPOXY-3-ARYLPROPANOL VIA ARSONIUM SALT
Shi, Lilian,Wang, Weibo,Huang, Yao-Zeng
, p. 5295 - 5296 (1988)
In the presence of KOH(s), β-hydroxyethyltriphenylarsonium bromide 2 reacted directly with aromatic aldehydes at r.t. to give 2,3-epoxy-3-arylpropanol 3 in good yields under solid-liquid phase transfer condition.