39905-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39905-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,0 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39905-81:
(7*3)+(6*9)+(5*9)+(4*0)+(3*5)+(2*8)+(1*1)=152
152 % 10 = 2
So 39905-81-2 is a valid CAS Registry Number.
39905-81-2Relevant articles and documents
One-step preparation of α-chlorostyrenes
Borate, Hanumant B.,Gaikwad, Abaji G.,Maujan, Suleman R.,Sawargave, Sangmeshwer P.,Kalal, Kamalakar M.
, p. 4869 - 4872 (2008/02/05)
α-Chlorostyrenes were prepared via a one-step method involving Friedel-Crafts reaction of various aromatic substrates with acid chlorides in the presence of a heterogeneous Si-Fe catalyst.
