Ligand for asymmetric Negishi cross-coupling of secondary allylic chlorides
Check Digit Verification of cas no
The CAS Registry Mumber 1012042-02-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,2,0,4 and 2 respectively; the second part has 2 digits, 0 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1012042-02: (9*1)+(8*0)+(7*1)+(6*2)+(5*0)+(4*4)+(3*2)+(2*0)+(1*2)=52 52 % 10 = 2 So 1012042-02-2 is a valid CAS Registry Number.