155783-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155783-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,7,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 155783-22:
(8*1)+(7*5)+(6*5)+(5*7)+(4*8)+(3*3)+(2*2)+(1*2)=155
155 % 10 = 5
So 155783-22-5 is a valid CAS Registry Number.
155783-22-5Relevant articles and documents
Siloxanes as temporary tethers in [2 +2] photocycloadditions
Crimmins, Michael T.,Guise, Lisa E.
, p. 1657 - 1660 (2007/10/02)
Intramolecular [2+2] photocycloadditions utilizing siloxanes as temporary tethers between an enone and olefin results in the products of an intermolecular photocycloaddition with the selectivity of the intramolecular reaction after cleavage of the temporary tether.
