79987-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79987-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,8 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79987-70:
(7*7)+(6*9)+(5*9)+(4*8)+(3*7)+(2*7)+(1*0)=215
215 % 10 = 5
So 79987-70-5 is a valid CAS Registry Number.
79987-70-5Relevant articles and documents
Condidymic Acid, a New Dibenzofuran from the Lichen Cladonia squamosula
Chester, Douglas O.,Elix, John A.
, p. 1501 - 1506 (2007/10/02)
The dibenzofuran condidymic acid (3-hydroxy-7-methoxy-1,9-dipentyldibenzofuran-2-carboxylic acid) has been prepared by unambiguous synthesis and shown to co-occur with barbatic, thamnolic and didymic acids in Cladonia squamosula.