1252813-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1252813-50-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,8,1 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1252813-50:
(9*1)+(8*2)+(7*5)+(6*2)+(5*8)+(4*1)+(3*3)+(2*5)+(1*0)=135
135 % 10 = 5
So 1252813-50-5 is a valid CAS Registry Number.
1252813-50-5Relevant articles and documents
Six-membered N-Heterocyclic Carbene-based catalysts for asymmetric reactions
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Page/Page column 7; Sheet 7, (2011/04/14)
The present invention provides a catalyst complex or ligand, and compositions thereof, for use in a variety of organic reactions having high reactivity and enantioselectivity. The catalyst is a N-heterocyclic carbene having three fused rings with first an