1056-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1056-32-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,5 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1056-32:
(6*1)+(5*0)+(4*5)+(3*6)+(2*3)+(1*2)=52
52 % 10 = 2
So 1056-32-2 is a valid CAS Registry Number.
1056-32-2Relevant articles and documents
Generation of a Ketocarbenoid from α,α-Dibromodeoxybenzoin by Samarium(II) Di-iodide and its Trapping by Alkene Cycloaddition
Fukuzawa, Shin-ichi,Fujinami, Tatsuo,Sakai, Shizuyoshi
, p. 919 - 920 (1987)
α,α-Dibromodeoxybenzoin reacts with samarium(II) di-iodide and alkenes to give dihydrofuran derivatives, regio- and stereo-selectively.