83421-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83421-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,2 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83421-67:
(7*8)+(6*3)+(5*4)+(4*2)+(3*1)+(2*6)+(1*7)=124
124 % 10 = 4
So 83421-67-4 is a valid CAS Registry Number.
83421-67-4Relevant academic research and scientific papers
Highly Regioselective 1,4-Addition of 2-Lithio-2-(2,6-dimethylpiperidino)acetonitrile to α,β-Unsaturated Ketones
Wakamatsu, Takeshi,Hobara, Satoshi,Ban, Yoshio
, p. 1395 - 1398 (2007/10/02)
2-Lithio-2-(2,6-dimethylpiperidino)acetonitrile, a formyl anion equivalent, readily reacts with α,β-unsaturated cyclic ketones to result in a successful conjugate 1,4-addition.
