104307-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104307-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,0 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104307-03:
(8*1)+(7*0)+(6*4)+(5*3)+(4*0)+(3*7)+(2*0)+(1*3)=71
71 % 10 = 1
So 104307-03-1 is a valid CAS Registry Number.
104307-03-1Relevant articles and documents
SYNTHETIC STUDIES TOWARD MARINE TOXIC POLYETHERS THE TOTAL SYNTHESIS OF OKADAIC ACID
Isobe, Minoru,Ichikawa, Yoshiyasu,Goto, Toshio
, p. 963 - 966 (1986)
The total synthesis of okadaic acid has been accomplished through the coupling of all the segments, A, B and C, by means of sulfone-carbanion strategy.
