89102-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89102-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,0 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89102-04:
(7*8)+(6*9)+(5*1)+(4*0)+(3*2)+(2*0)+(1*4)=125
125 % 10 = 5
So 89102-04-5 is a valid CAS Registry Number.
89102-04-5Relevant articles and documents
SYNTHESIS AND INTRAMOLECULAR PHOTOADDITION OF AN INDOLE QUINONEDIAZIDE
Sundberg, Richard J.,Nishiguchi, Takeshi
, p. 4773 - 4776 (2007/10/02)
An intramolecular carbenoid photoaddition route to the unique spiro-cyclopropane indol-7-one ring system of the antibiotic CC-1065 has been explored.The diazo transfer reaction of a 7-hydroxyindole intermediate leads via a 6-diazo intermediate to an isome