144343-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144343-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144343-91:
(8*1)+(7*4)+(6*4)+(5*3)+(4*4)+(3*3)+(2*9)+(1*1)=119
119 % 10 = 9
So 144343-91-9 is a valid CAS Registry Number.
144343-91-9Relevant articles and documents
Synthesis of 1,3-butadienes having a nitrogen-containing heterocyclic substituent
Sattsangi,Wang
, p. 5025 - 5028 (1992)
Condensation of γ-(trimethylsilyl)allylborane 2 with aldehydes 3a-f afforded, after base-induced Peterson olefination reaction, the corresponding 1,3-butadienes having a nitrogen-containing heterocyclic substituent.
