109876-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109876-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,7 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109876-19:
(8*1)+(7*0)+(6*9)+(5*8)+(4*7)+(3*6)+(2*1)+(1*9)=159
159 % 10 = 9
So 109876-19-9 is a valid CAS Registry Number.
109876-19-9Relevant academic research and scientific papers
An Improved Synthesis of Arylsulfonyl Chlorides from Aryl Halides
Hamada, Tatsuo,Yonemitsu, Osamu
, p. 852 - 854 (2007/10/02)
Arylsulfonyl chlorides 8 are prepared from aryl bromides 5 via lithium arylsulfinates 7 in excellent yields.
