845877-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 845877-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,8,7 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 845877-20:
(8*8)+(7*4)+(6*5)+(5*8)+(4*7)+(3*7)+(2*2)+(1*0)=215
215 % 10 = 5
So 845877-20-5 is a valid CAS Registry Number.
845877-20-5Relevant articles and documents
Unexpected formation of bicyclo[3,3.1]nonenyl methanesulfonate from tricyclo[4.3.0.02,9]nonan-8-ol
Srikrishna,Vijaykumar
, p. 1015 - 1018 (2007/10/03)
Attempted methanesulfonylation reaction of the tricyclo[4.3.0.0 2,9]nonan-8-ol 8 under standard conditions led to the selective cleavage of the C1-C9 cyclopropane bond resulting in the formation of bicyclo[3.3.1]non-2-en-9
