307526-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307526-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,5,2 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 307526-15:
(8*3)+(7*0)+(6*7)+(5*5)+(4*2)+(3*6)+(2*1)+(1*5)=124
124 % 10 = 4
So 307526-15-4 is a valid CAS Registry Number.
307526-15-4Relevant articles and documents
A simple and efficient synthesis of 4-mercapto-6-phenylpyridazin-3(2h)-ones
Tsolomiti, Georgia,Tsolomiti, Kyriaki,Tsolomitis, Athanase
, p. 161 - 164 (2008/02/12)
A simple and efficient synthesis of the novel 4-mercapto-6-phenylpyridazin- 3(2H)-ones from the reaction of 6-phenyl-4,5-dihydropyridazin-3(2H)-ones with excess thionyl chloride under mild conditions, is described.
