182319-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 182319-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,3,1 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 182319-50:
(8*1)+(7*8)+(6*2)+(5*3)+(4*1)+(3*9)+(2*5)+(1*0)=132
132 % 10 = 2
So 182319-50-2 is a valid CAS Registry Number.
182319-50-2Relevant articles and documents
Multiply bridged acetylenic thiacyclophanes
Ensley, Harry E.,Mahadevan, Shivkumar,Mague, Joel
, p. 6255 - 6258 (1996)
The 4,17,30-trithia-[73](1,3,5)cyclophane (1) has been prepared by a two-stage, palladium assisted coupling of propargylOTHP with 1,3,5-tribromobenzene, followed by sulfide ring closure. The intermediate (8) on deprotection, followed by bromination and reaction with Na2S gives 1 in 58% yield.