132638-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132638-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,3 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132638-48:
(8*1)+(7*3)+(6*2)+(5*6)+(4*3)+(3*8)+(2*4)+(1*8)=123
123 % 10 = 3
So 132638-48-3 is a valid CAS Registry Number.
132638-48-3Relevant articles and documents
Selective Formylation of Diphenols
Scarpati, Maria Luisa,Bianco, Armandodoriano,Mascitelli, Livia,Passacantilli, Pietro
, p. 2565 - 2572 (2007/10/02)
An improved procedure for the regioselective formylation of ortho- and para-diphenols is described.
