189822-88-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189822-88-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,2 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189822-88:
(8*1)+(7*8)+(6*9)+(5*8)+(4*2)+(3*2)+(2*8)+(1*8)=196
196 % 10 = 6
So 189822-88-6 is a valid CAS Registry Number.
189822-88-6Relevant articles and documents
Functionalised 1,2,4-triazino[5,6-b]indoles
Hamid, Hamida M. Abdel
, p. 183 - 185 (2007/10/03)
3-Ethoxycarbonylmethylthio-5H-1,2,4-triazino[5,6-b]indole (2) and 5-ethoxycarbonylmethyl-3-ethoxycarbonylmethylthio-5H-1,2,4-triazino[5,6-b]indole (4) have been prepared from 2,5-dihydro-3H-1,2,4-triazino[5,6-b]indole-3-thione (1). The reaction of 2 and 4