74180-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74180-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,8 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74180-74:
(7*7)+(6*4)+(5*1)+(4*8)+(3*0)+(2*7)+(1*4)=128
128 % 10 = 8
So 74180-74-8 is a valid CAS Registry Number.
74180-74-8Relevant articles and documents
Synthesis of novel derivatives of 2-(azolylimino)thiazoline
Eltsov,Mokrushin,Tkachev
, p. 2293 - 2302 (2007/10/03)
Successive alkylation of 5-(3-phenylthioureido)-3H-imidazole-4-carboxamides with alkyl halides and chloroacetone gave (N-oxopropylimidazolyl)isothioureas, which were easily converted into derivatives of purine and imidazopyrazinone. In the case of ethyl 5