890933-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 890933-01-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,9,3 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 890933-01:
(8*8)+(7*9)+(6*0)+(5*9)+(4*3)+(3*3)+(2*0)+(1*1)=194
194 % 10 = 4
So 890933-01-4 is a valid CAS Registry Number.
890933-01-4Relevant articles and documents
Total synthesis of auripyrone A
Lister, Troy,Perkins, Michael V.
, p. 2560 - 2564 (2007/10/03)
(Chemical Equation Presented) A natural conclusion: An efficient, asymmetric synthesis of the cytotoxic marine polypropionate auripyrone A (1) was achieved from ketone 2 and aldehyde 3, and the absolute stereochemistry of the natural product was establish