71381-27-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71381-27-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,8 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71381-27:
(7*7)+(6*1)+(5*3)+(4*8)+(3*1)+(2*2)+(1*7)=116
116 % 10 = 6
So 71381-27-6 is a valid CAS Registry Number.
71381-27-6Relevant articles and documents
A NOVEL SYNTHESIS OF 2-SUBSTITUTED QUINAZOLIN-4(3H)-ONES
Svetlik, Jan
, p. 1281 - 1285 (2007/10/02)
Aromatic or mixed carbodiimides and ketenimines react with ethyl allophanate to give corresponding substituted quinazolin-4(3H)-ones.