57416-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57416-95-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,1 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57416-95:
(7*5)+(6*7)+(5*4)+(4*1)+(3*6)+(2*9)+(1*5)=142
142 % 10 = 2
So 57416-95-2 is a valid CAS Registry Number.
57416-95-2Relevant articles and documents
N,N,5-Trimethyl-1H-[1]benzothiopyrano[4,3,2-cd]-indazole-1-ethanamine - A Novel Heterocycle
Krapcho, A. Paul,Haydar, Simon N.
, p. 1637 - 1638 (1997)
Treatment of thioxanthenone 6 with N-(2-dimethyIaminoethyl)hydrazine led to the benzothiopyranoindazole 3, a novel heterocycle, along with the expected compound 8.