145825-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145825-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,2 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145825-97:
(8*1)+(7*4)+(6*5)+(5*8)+(4*2)+(3*5)+(2*9)+(1*7)=154
154 % 10 = 4
So 145825-97-4 is a valid CAS Registry Number.
145825-97-4Relevant articles and documents
KETOKETEN gem-DITHIOLS IN ORGANIC SYNTHESIS: SYNTHESIS OF NEW THIOPYRANS AND 1,3-DITHIOLANE DERIVATIVES
Zayed, Salem E.
, p. 193 - 196 (2007/10/02)
3-H IIIa,b and 4-H VIIa-c thiopyrans were prepared via reaction of gem dithiols Ia,b with nitriles.The dithiolanes IXa also could be obtained from reaction of Ia,b with cinnamoylidene anilines. Key words: Thiopyrans and dithiolanes, ketoketen gem-dithiol,
