109856-00-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109856-00-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,5 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109856-00:
(8*1)+(7*0)+(6*9)+(5*8)+(4*5)+(3*6)+(2*0)+(1*0)=140
140 % 10 = 0
So 109856-00-0 is a valid CAS Registry Number.
109856-00-0Relevant articles and documents
PREPARATION OF α-ARYLSULFONYL LACTAMS
Stewart, Jon D.,Pinnick, Harold W.
, p. 213 - 216 (2007/10/02)
Lactam enolates are efficiently converted into α-arylsulfonyl lactams by aryl sulfonate esters.