171508-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171508-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,0 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 171508-73:
(8*1)+(7*7)+(6*1)+(5*5)+(4*0)+(3*8)+(2*7)+(1*3)=129
129 % 10 = 9
So 171508-73-9 is a valid CAS Registry Number.
171508-73-9Relevant articles and documents
Aroylation of 5-amino-2H-1,2,4-thiadiazolin-3-one
Cho, Nam Sook,Ra, Chan Soo,Ra, Do Young,Song, Jin Soo,Kang, Sung Kwon
, p. 1823 - 1828 (1996)
2-Aroyl-5-aroylamino-1,2,4-thiadiazolin-3-ones 2 have been synthesized through aroylation of 5-amino-2H-1,2,4-thiadiazolin-3-one (1) as an analog of cytosine. The aroylation was carried out with a substituted aroyl chloride in pyridine at 56-58°. It has b
