202067-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202067-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,0,6 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 202067-13:
(8*2)+(7*0)+(6*2)+(5*0)+(4*6)+(3*7)+(2*1)+(1*3)=78
78 % 10 = 8
So 202067-13-8 is a valid CAS Registry Number.
202067-13-8Relevant articles and documents
A convergent synthesis of (+)-parviflorin, (+)-squamocin K, and (+)-5S- hydroxyparviflorin
Trost,Calkins,Bochet
, p. 2632 - 2635 (2007/10/03)
Thirty of the thirty-five carbon atoms of the acetogenin (+)-parviflorin (3, also named squamocin E) in this highly convergent synthesis derive from the building block, the readily accessible alcohol 1. The remaining five have their origin in an alkyne ob
