74840-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74840-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,4 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74840-06:
(7*7)+(6*4)+(5*8)+(4*4)+(3*0)+(2*0)+(1*6)=135
135 % 10 = 5
So 74840-06-5 is a valid CAS Registry Number.
74840-06-5Relevant academic research and scientific papers
1H-Imidazopyrazines. II. 2-Carboxylic Acid Derivatives (1,5)
Tong, Y. C.
, p. 381 - 382 (2007/10/02)
Methods for the preparations of 1H-imidazopyrazine-2-carboxylic acid and derivatives are reported.