83485-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83485-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,8 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83485-82:
(7*8)+(6*3)+(5*4)+(4*8)+(3*5)+(2*8)+(1*2)=159
159 % 10 = 9
So 83485-82-9 is a valid CAS Registry Number.
83485-82-9Relevant articles and documents
Mannich Bases of Hydroxyindoles, II
Kucklaender, Uwe,Toeberich, Hildegard
, p. 737 - 740 (2007/10/02)
The 2-hydroxy-cycloheptindolones 2a-c react with bis(dimethylamino)methane to yield the phenol Mannich bases 3a-c.The 1,3-benzoxazine derivatives 5a-c are synthesized from 2a,b,d and hexahydrotriethyl-1,3,5-triazine 4.Reaction of 6-hydroxyindole 6 with triazine 4 yields benzoxazine 7.
