41819-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41819-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,1 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 41819-40:
(7*4)+(6*1)+(5*8)+(4*1)+(3*9)+(2*4)+(1*0)=113
113 % 10 = 3
So 41819-40-3 is a valid CAS Registry Number.
41819-40-3Relevant articles and documents
TRIMETHYLSILYL TETRAFLUOROBORATE A CONVENIENT REAGENT FOR SOLVOLYSIS REACTIONS
Caputo, Romualdo,Ferreri, Carla,Palumbo, Giovanni,Wenkert, Ernest
, p. 577 - 578 (2007/10/02)
Conversions of cyclopropyl carbinols (or their acetates) and ketones into homoallyl and γ-substituted ketone derivatives, respectively, are accomplished by trimethylsilyl tetrafluoroborate efficiently and under mild conditions.