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1290052-71-9

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1290052-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1290052-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,0,5 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1290052-71:
(9*1)+(8*2)+(7*9)+(6*0)+(5*0)+(4*5)+(3*2)+(2*7)+(1*1)=129
129 % 10 = 9
So 1290052-71-9 is a valid CAS Registry Number.

1290052-71-9Downstream Products

1290052-71-9Relevant articles and documents

A new synthesis of methyl 7 H-Dibenz[b,g]oxocin-6-carboxylates from Morita-Baylis-Hillman adducts of 2-phenoxybenzaldehydes

Ahn, Sang-Hyun,Jang, Seung Soon,Han, Eun-Gu,Lee, Kee-Jung

, p. 377 - 386 (2011/04/22)

A new synthetic method for methyl 7H-dibenz[b,g]oxocin-6-carboxylates by Friedel-Crafts reaction of readily available bromides of Morita-Baylis-Hillman adducts with aluminum chloride has been developed. Georg Thieme Verlag Stuttgart New York.

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