4670-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4670-23-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,7 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4670-23:
(6*4)+(5*6)+(4*7)+(3*0)+(2*2)+(1*3)=89
89 % 10 = 9
So 4670-23-9 is a valid CAS Registry Number.
4670-23-9Relevant articles and documents
New Depsides from the Lichen Lecanora planaica
Elix, John A.,Barclay, Caroline E.,Lumbsch, H. Thorsten
, p. 1199 - 1204 (2007/10/02)
The new depsides hyperplanaic acid (4), isohyperplanaic acid (5) and superplanaic acid (6) have been detected in the lichen Lecanora planaica and the structure of these metabolites has been established by unambiguous synthesis.
