252975-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252975-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,7 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 252975-28:
(8*2)+(7*5)+(6*2)+(5*9)+(4*7)+(3*5)+(2*2)+(1*8)=163
163 % 10 = 3
So 252975-28-3 is a valid CAS Registry Number.
252975-28-3Relevant articles and documents
A new synthesis of tri- and tetrasubstituted olefins based on thio- and selenophosphates
Skowronska,Maciagiewicz,Dybowski,Krawczyk,Owsianik
, p. 409 - 412 (2007/10/03)
Stereoselective synthesis of tri- and tetrasubstituted functionalized olefins and new phosphates bearing functionalized cyclic substituent has been developed using thiophosphates and selenophosphates as key intermediates.