Cas 1181810-25-2,C<sub>19</sub>H<sub>16</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 1181810-25-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,8,1 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1181810-25:
(9*1)+(8*1)+(7*8)+(6*1)+(5*8)+(4*1)+(3*0)+(2*2)+(1*5)=132
132 % 10 = 2
So 1181810-25-2 is a valid CAS Registry Number.

1181810-25-2Upstream product

1181810-24-1 C₁₉H₁₈O₂

1181810-25-2Downstream Products

1181810-25-2Relevant articles and documents

Organocatalytic asymmetric Friedel-Crafts alkylation/cyclization cascade reaction of 1-naphthols and α,β-unsaturated aldehydes: An enantioselective synthesis of chromanes and dihydrobenzopyranes

Hong, Liang,Wang, Lei,Sun, Wangsheng,Wong, Kwokyin,Wang, Rui

supporting information; experimental part, p. 6881 - 6884 (2009/12/31)

(Chemical Equation Presented) An enantioselective Friedel-Crafts alkylation/cyclization cascade reaction of 1-naphthols and α,β- unsaturated aldehydes promoted by diphenylprolinol ether has been developed. The method affords one-pot access to chiral and s

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1181810-25-2