92803-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92803-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,8,0 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92803-47:
(7*9)+(6*2)+(5*8)+(4*0)+(3*3)+(2*4)+(1*7)=139
139 % 10 = 9
So 92803-47-9 is a valid CAS Registry Number.
92803-47-9Relevant articles and documents
A NOVEL PREPARATION OF HEMISUCCINATES
Pouzar, Vladimir,Drasar, Pavel,Cerny, Ivan,Havel, Miroslav
, p. 501 - 507 (2007/10/02)
Hemisuccinates are prepared by condensation of succinic acid mono-2-(trimethylsilyl)ethyl ester with alcohols and subsequent aprotic removal of the protective group.