203204-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203204-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,2,0 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 203204-02:
(8*2)+(7*0)+(6*3)+(5*2)+(4*0)+(3*4)+(2*0)+(1*2)=58
58 % 10 = 8
So 203204-02-8 is a valid CAS Registry Number.
203204-02-8Relevant articles and documents
Syntheses of substituted-pyrrolo[2,3-d]imidazoles and substituted-pyrrolo[3,2-d]imidazoles
Shafiee, A.,Hadizadeh, F.,Foroumadi, A.
, p. 813 - 815 (2007/10/03)
Starting from the readily available 2-alkyl-4-formylimidazole substituted-pyrrolo[2,3-d]imidazoles and substituted-pyrrolo[3,2-d]imidazoles have been prepared.
