549541-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549541-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,9,5,4 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 549541-57:
(8*5)+(7*4)+(6*9)+(5*5)+(4*4)+(3*1)+(2*5)+(1*7)=183
183 % 10 = 3
So 549541-57-3 is a valid CAS Registry Number.
549541-57-3Relevant articles and documents
Reactions of arylhalocarbenes with vinyl isocyanates
Rigby, James H.,Aasmul, Mona
, p. 143 - 147 (2007/10/03)
A variety of aryhalocarbenes were reacted with 1-cyclohexene-1-isocyanate to provide insight into the factors that control [4+1] versus [2+1] cycloaddition reactivity.
