118761-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118761-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,7,6 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118761-31:
(8*1)+(7*1)+(6*8)+(5*7)+(4*6)+(3*1)+(2*3)+(1*1)=132
132 % 10 = 2
So 118761-31-2 is a valid CAS Registry Number.
118761-31-2Relevant articles and documents
Further Thienylchalcones, II
Szell, Thomas,Sweeney, Megan,Chadha, Surya,Sohar, Paul
, p. 795 - 796 (2007/10/02)
Four new thienylchalcones (1,4,5, and 6) were synthesized by condensing hydroxy-nitroacetophenones with 2-thiophene and 3-thiophenecarboxaldehydes in the presence of dilute NaOH. - Keywords: Thiochalcones / Thienylchalcones / Fries rearrangement