125187-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 125187-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,1,8 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 125187-98:
(8*1)+(7*2)+(6*5)+(5*1)+(4*8)+(3*7)+(2*9)+(1*8)=136
136 % 10 = 6
So 125187-98-6 is a valid CAS Registry Number.
125187-98-6Relevant articles and documents
ortho-PYRROLYLPHENYL HETEROCUMULENES: PREPARATION AND CYCLIZATION TO FUSED PYRROLES
Molina, Pedro,Alajarin, Mateo,Vidal, Angel
, p. 2847 - 2850 (1989)
The aza-Wittig reaction of iminophosphoranes derived from o-(1-pyrrolyl)phenyl azide and 2-(o-aminophenyl)indole with isocyanates, isothiocyanates, carbon dioxide or carbon disulfide, lead to functionalized pyrroloquinoxalines and 11H-indolo