103890-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103890-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,9 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103890-05:
(8*1)+(7*0)+(6*3)+(5*8)+(4*9)+(3*0)+(2*0)+(1*5)=107
107 % 10 = 7
So 103890-05-7 is a valid CAS Registry Number.
103890-05-7Relevant articles and documents
Cycloadditions of Carbonyl Diisocyanate
Akteries, Bernhard,Jochims, Johannes C.
, p. 1133 - 1143 (2007/10/02)
Carbonyl diisocyanate (1) undergoes twofold Diels-Alder type cycloadditions with many compounds containing multiple bonds to give heteronaphthalenes 2.Cycloadditions of 1 with azomethines (affording 4), isocyanates (giving 6), dimethylcyanamide (leading t