104720-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104720-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,2 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 104720-31:
(8*1)+(7*0)+(6*4)+(5*7)+(4*2)+(3*0)+(2*3)+(1*1)=82
82 % 10 = 2
So 104720-31-2 is a valid CAS Registry Number.
104720-31-2Relevant articles and documents
Cytochalasan synthesis: Total synthesis of cytochalasin H
Thomas, Eric J.,Whitehead, John W. F.
, p. 507 - 518 (2007/10/02)
Cytochalasin H (2) has been synthesized using an intramolecular Diels-Alder reaction to form the [11]cytochalasan skeleton. This was highly stereoselective and gave adduct (49) with the correct configurations at all chiral centres. The later stages of the