90686-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90686-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,8 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90686-03:
(7*9)+(6*0)+(5*6)+(4*8)+(3*6)+(2*0)+(1*3)=146
146 % 10 = 6
So 90686-03-6 is a valid CAS Registry Number.
90686-03-6Relevant articles and documents
Synthesis of the Lichen Depsides Pseudocyphellarin A and B
Elix, John A.,Lajide, Labunmi
, p. 2153 - 2157 (2007/10/02)
The total synthesis of the fully substituted lichen depsides, pseudocyphellarin A (3-hydroxy-4-methoxycarbonyl-2,5,6-trimethylphenyl 3-formyl-2,4-dihydroxy-5,6-dimethylbenzoate) (1) and pseudocyphellarin B (3-hydroxy-4-methoxycarbonyl-2,5,6-trimethylpheny
