858204-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858204-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,0 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 858204-55:
(8*8)+(7*5)+(6*8)+(5*2)+(4*0)+(3*4)+(2*5)+(1*5)=184
184 % 10 = 4
So 858204-55-4 is a valid CAS Registry Number.
858204-55-4Relevant academic research and scientific papers
SYNTHESIS OF IMIDAZOLE-2-THIONES VIA THIOHYDANTOINS
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Page/Page column 55-56, (2010/11/26)
The present invention provides a method of making an imidazole 2-thione which comprises the step(s) of reducing a thiohydantoin to said imidazole- 2-thione.
