1104919-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1104919-04-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,4,9,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1104919-04:
(9*1)+(8*1)+(7*0)+(6*4)+(5*9)+(4*1)+(3*9)+(2*0)+(1*4)=121
121 % 10 = 1
So 1104919-04-1 is a valid CAS Registry Number.
1104919-04-1Relevant articles and documents
Effect of the trifluoroacetyl group on the direction of the recyclization of the pyrazine ring in 6-trifluoroacetylpyrrolo[1,2-a]pyrazinium salts
Terenin,Ivanov
, p. 1460 - 1465 (2008/09/20)
A cyclotransformation of 6-trifluoroacetylpyrrolo[1,2-a]pyrazinium salts involving the trifluoroacetyl group carbon atom was discovered and investigated.
