19859-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19859-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,5 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19859-25:
(7*1)+(6*9)+(5*8)+(4*5)+(3*9)+(2*2)+(1*5)=157
157 % 10 = 7
So 19859-25-7 is a valid CAS Registry Number.
19859-25-7Relevant articles and documents
Synthesis Based on Electrophilic Selenium Reagents and Acetylenes
Potapov, Vladimir A.,Amosova, Svetlana V.,Petrov, Boris V.
, p. 587 - 590 (2007/10/03)
Reactions of dicyanodiselenide, selenenyl chlorides and bromides with acetylenes and some further transformations of obtained products have been studied.
