183990-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183990-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,9,9 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 183990-19:
(8*1)+(7*8)+(6*3)+(5*9)+(4*9)+(3*0)+(2*1)+(1*9)=174
174 % 10 = 4
So 183990-19-4 is a valid CAS Registry Number.
183990-19-4Relevant articles and documents
EPC-synthesis of functionalised amides via chiral β-nitrogenated organolithium compounds
Foubelo, Francisco,Yus, Miguel
, p. 2911 - 2922 (1996)
The deprotonation of chiral chloroamides or carbamates 1, 4, 7, 10, 13 and 16 with n-butyllithium followed by in situ lithiation with lithium naphthalenide, both at -78°C in THF, leads to the formation of the corresponding chiral dianionic intermediates,
