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1276045-67-0

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1276045-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1276045-67-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,0,4 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1276045-67:
(9*1)+(8*2)+(7*7)+(6*6)+(5*0)+(4*4)+(3*5)+(2*6)+(1*7)=160
160 % 10 = 0
So 1276045-67-0 is a valid CAS Registry Number.

1276045-67-0Downstream Products

1276045-67-0Relevant articles and documents

A one-pot three-step synthesis of Z-trisubstituted olefins from arylalkynes and their cyclization into 4-aryl-2H-chromenes

Rasolofonjatovo, Evelia,Treguier, Bret,Provot, Olivier,Hamze, Abdallah,Brion, Jean-Daniel,Alami, Mouad

experimental part, p. 1603 - 1615 (2012/05/04)

Rapid and versatile access to (Z)-trisubstituted olefins 2 and their cyclization into 4-aryl-2H-chromenes 1 starting fromarylalkynes 3 is described. In a one-pot fashion, alkynes 3 were first hydrated, then transformed into N-tosylhydrazones, and finally

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