18992-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18992-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,9 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18992-72:
(7*1)+(6*8)+(5*9)+(4*9)+(3*2)+(2*7)+(1*2)=158
158 % 10 = 8
So 18992-72-8 is a valid CAS Registry Number.
18992-72-8Relevant articles and documents
The Chemistry of Carbazoles. VII. Syntheses of Methylcarbazoles
Kuroki, Masanate,Tsunashima, Yutaka
, p. 709 - 714 (2007/10/02)
Thirty-six methylcarbazoles were prepared, and their synthetic methods were critically described.