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1355657-33-8

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1355657-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1355657-33-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,6,5 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1355657-33:
(9*1)+(8*3)+(7*5)+(6*5)+(5*6)+(4*5)+(3*7)+(2*3)+(1*3)=178
178 % 10 = 8
So 1355657-33-8 is a valid CAS Registry Number.

1355657-33-8Downstream Products

1355657-33-8Relevant articles and documents

Highly convergent one-pot four-component regioselective synthesis of 4H-benzo[f]chromenes via annulation of β-oxodithioesters

Samai, Subhasis,Nandi, Ganesh Chandra,Singh, Maya Shankar

experimental part, p. 1247 - 1252 (2012/02/17)

Highly efficient regioselective protocol for the synthesis of hitherto unreported 4H-benzo[f]chromenes has been developed by one-pot four-component coupling of aromatic aldehydes, β-naphthol, β-oxodithioesters, and primary alcohols in the presence of InCl

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