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485335-41-9

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485335-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 485335-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,5,3,3 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 485335-41:
(8*4)+(7*8)+(6*5)+(5*3)+(4*3)+(3*5)+(2*4)+(1*1)=169
169 % 10 = 9
So 485335-41-9 is a valid CAS Registry Number.

485335-41-9Relevant articles and documents

An alternative synthesis of pyrimido[4,5-b]quinoline-4-ones via metal-free amination in water and Vilsmeier-Haack cyclization

Singh, Radhey M.,Sharma, Neha,Kumar, Ritush,Asthana, Mrityunjaya,Upadhyay, Shraddha

, p. 10318 - 10325,8 (2012/12/12)

Two-step synthesis of pyrimido[4,5-b]quinoline-4-ones is described from 2-chloroquinoline-3-carbonitries via amination and cyclization reactions, respectively. The amination reactions proceeded much faster in water via simple SNAr displacement

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