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1370521-17-7

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1370521-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1370521-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,0,5,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1370521-17:
(9*1)+(8*3)+(7*7)+(6*0)+(5*5)+(4*2)+(3*1)+(2*1)+(1*7)=127
127 % 10 = 7
So 1370521-17-7 is a valid CAS Registry Number.

1370521-17-7Downstream Products

1370521-17-7Relevant 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

, 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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