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1569633-54-0

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1569633-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569633-54-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,6,3 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1569633-54:
(9*1)+(8*5)+(7*6)+(6*9)+(5*6)+(4*3)+(3*3)+(2*5)+(1*4)=210
210 % 10 = 0
So 1569633-54-0 is a valid CAS Registry Number.

1569633-54-0Relevant articles and documents

Synthesis of isocoumarins via silver(I)-mediated annulation of enol esters

Panda, Niranjan,Mishra, Priyadarshini,Mattan, Irshad

, p. 1047 - 1056 (2016/02/19)

Silver-mediated annulation of 2-iodo enol esters leading to 4- and 3,4-substituted isocoumarins was accomplished selectively at room temperature. Coupling of 2-iodo benzoic acids with enolates that were produced in situ from the simple esters was also performed to produce isocoumarins under analogous reaction conditions. Owing to the mildness of the current protocol, 4-acyl 3-substituted isocoumarins were efficiently produced without any deacylation.

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