19691-06-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19691-06-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,9 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19691-06:
(7*1)+(6*9)+(5*6)+(4*9)+(3*1)+(2*0)+(1*6)=136
136 % 10 = 6
So 19691-06-6 is a valid CAS Registry Number.
19691-06-6Relevant articles and documents
One-pot synthesis of indoles from ketones and hydrazines under mild reaction conditions
Miyata,Kimura,Naito
, p. 1635 - 1638 (2007/10/03)
A facile one-pot method is presented for the synthesis of indoles via condensation of ketone with hydrazine followed by acylation and rearrangement. This convenient synthetic method provides an easy and simple access to indoles.
