135643-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135643-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,4 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135643-70:
(8*1)+(7*3)+(6*5)+(5*6)+(4*4)+(3*3)+(2*7)+(1*0)=128
128 % 10 = 8
So 135643-70-8 is a valid CAS Registry Number.
135643-70-8Relevant articles and documents
An Alternative Synthesis of Cyclic Aza Compounds
Boerjesson, L.,Welch, C. J.
, p. 621 - 626 (2007/10/02)
A series of cyclic mono-, di- and poly-aza compounds has been synthesised in moderate to good yields by reaction of p-toluenesulfonamide and either α,ω-ditosylates or α,ω-dichlorides.
