7311-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7311-84-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,1 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7311-84:
(6*7)+(5*3)+(4*1)+(3*1)+(2*8)+(1*4)=84
84 % 10 = 4
So 7311-84-4 is a valid CAS Registry Number.
7311-84-4Relevant articles and documents
Synthesis of a stable 2-tributylstannyl-1,3-butadiene precursor
Bew,Sweeney
, p. 698 - 698 (2007/10/02)
2-Tributylstannyl-1,3-butadiene (1) is prepared in 66% yield by retrochelotropic reaction of the corresponding sulfolene 3.