92246-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92246-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,2,4 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 92246-21:
(7*9)+(6*2)+(5*2)+(4*4)+(3*6)+(2*2)+(1*1)=124
124 % 10 = 4
So 92246-21-4 is a valid CAS Registry Number.
92246-21-4Relevant articles and documents
Titanium mediated cyclization of N-substituted di(β-carbethoxyethyl)amines: Preparation of 1-substituted-3-carbethoxy-4-piperidones
Deshmukh,Sampath Kumar,Rama Rao
, p. 177 - 182 (2007/10/02)
Dieckmann cyclisation of N-substituted di(β-carbethoxyethyl)amines with titanium tetrachloride in DCM in the presence of triethylamine leads to the formation of 3-carbethoxy-4-piperidones.
