131953-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131953-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131953-18:
(8*1)+(7*3)+(6*1)+(5*9)+(4*5)+(3*3)+(2*1)+(1*8)=119
119 % 10 = 9
So 131953-18-9 is a valid CAS Registry Number.
131953-18-9Relevant articles and documents
A concise approach towards the synthesis of steganone analogues
Bradley, Adrian,Motherwell, William B.,Ujjainwalla, Feroze
, p. 917 - 918 (2007/10/03)
The cobalt-mediated [2+2+2] cycloaddition of a tethered deca-1,9-diyne is used as a key step in a highly convergent route to steganone analogues.
