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844-69-9

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844-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 844-69-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,4 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 844-69:
(5*8)+(4*4)+(3*4)+(2*6)+(1*9)=89
89 % 10 = 9
So 844-69-9 is a valid CAS Registry Number.

844-69-9Downstream Products

844-69-9Relevant articles and documents

Divergent Synthesis of Five-Membered Nitrogen Heterocycles via Cascade Reactions of 4-Arylfuroxans

Chaplygin, Daniil A.,Ananyev, Ivan V.,Fershtat, Leonid L.,Makhova, Nina N.

, p. 2667 - 2678 (2020/11/02)

A novel method for the synthesis of a diverse series of functionally substituted five-membered heterocyclic compounds via atom-economic, regio-, and diastereoselective one-pot reaction cascade was developed. This approach involves a ring opening in 4-aryl

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