53756-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53756-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,5 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53756-56:
(7*5)+(6*3)+(5*7)+(4*5)+(3*6)+(2*5)+(1*6)=142
142 % 10 = 2
So 53756-56-2 is a valid CAS Registry Number.
53756-56-2Relevant articles and documents
TRIS(3,6-DIOXAHEPTYL)AMINE AS A PHASE-TRANSFER CATALYST IN PHENACYL ESTER SYNTHESIS
Bartsch, Richard A.,Phillips, John B.
, p. 1777 - 1780 (2007/10/02)
Tris(3,6-dioxaheptyl)amine (TDA-1) may be substituted for toxic crown ethers in the phase-transfer catalyzed synthesis of phenacyl esters from weakly nucleophilic potassium carboxylates and α,p-dibromoacetophenone in acetonitrile.