78757-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78757-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,5 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78757-34:
(7*7)+(6*8)+(5*7)+(4*5)+(3*7)+(2*3)+(1*4)=183
183 % 10 = 3
So 78757-34-3 is a valid CAS Registry Number.
78757-34-3Relevant articles and documents
PREPARATION OF 5-METHYL-3H-OXAZOLOPYRIDINE-2-THIONE AND ITS REACTION WITH AMINES
Davidkov, K.,Simov, D.
, p. 441 - 442 (2007/10/02)
5-Methyl-3H-oxazolopyridine-2-thione, which exists in the dipolar form, was obtained by the reaction of 6-methyl-2-amino-3-hydroxypyridine with potassium ethylxanthate.The reaction of the product with amines leads to the corresponding thioureas.
