13705-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13705-95-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,0 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13705-95:
(7*1)+(6*3)+(5*7)+(4*0)+(3*5)+(2*9)+(1*5)=98
98 % 10 = 8
So 13705-95-8 is a valid CAS Registry Number.
13705-95-8Relevant articles and documents
Efficient synthesis of selected phthalazine derivatives
Bunce, Richard A.,Harrison, Todd,Nammalwar, Baskar
, p. 123 - 126 (2013/01/16)
Four phthalazine derivatives have been prepared from substituted 2-bromobenzaldehyde acetals by a sequence involving: (1) lithiation and formylation; (2) deprotection; and (3) condensative cyclization with hydrazine. Two additional phthalazines were prepa