90793-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90793-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,9 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90793-91:
(7*9)+(6*0)+(5*7)+(4*9)+(3*3)+(2*9)+(1*1)=162
162 % 10 = 2
So 90793-91-2 is a valid CAS Registry Number.
90793-91-2Relevant articles and documents
A Synthesis of the Lichen Xanthone Thiomelin
Elix, John A.,Portelli, Victor J.
, p. 1773 - 1778 (2007/10/02)
A total synthesis of thiomelin (2,4-dichloro-1,8-dihydroxy-5-methoxy-6-methyl-9H-xanthen-9-one) (1) has been achieved.