2286-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2286-11-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,8 and 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2286-11:
(6*2)+(5*2)+(4*8)+(3*6)+(2*1)+(1*1)=75
75 % 10 = 5
So 2286-11-5 is a valid CAS Registry Number.
2286-11-5Relevant articles and documents
Expedient synthesis of perhaloaldehyde N-acyl hemiaminals
Ingrassia, Laurent,Mulliez, Michel
, p. 1731 - 1738 (1999)
Various perhaloaldehyde N-acyl hemiaminals 1 are readily prepared in high yields by condensation of amides 7 with easily available perhaloaldehyde O-ethyl hemiacetals 8 or hydrates 9 in the presence of 5 A molecular sieves.