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371961-34-1

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371961-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 371961-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,9,6 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 371961-34:
(8*3)+(7*7)+(6*1)+(5*9)+(4*6)+(3*1)+(2*3)+(1*4)=161
161 % 10 = 1
So 371961-34-1 is a valid CAS Registry Number.

371961-34-1Downstream Products

371961-34-1Relevant articles and documents

Selective Cβ-O Bond Cleavage of Chalcone Epoxides Induced by Pyrylium Salt Sensitized Photoreactions and Dark Reactions with Cerium(IV) Salts

Hasegawa, Eietsu,Ishiyama, Kenyuki,Kashiwazaki, Hiroki,Horaguchi, Takaaki,Shimizu, Takahachi

, p. 4045 - 4048 (2007/10/02)

The Cβ-O bonds of chalcone epoxides (1a, 1b) were selectively cleaved by pyrylium salt sensitized photoreactions, affording β-ketoaldehydes (2a, 2b) in CH2Cl2 and MeOH-adducts (3a, 3b) in MeOH.Similarly, cerium(IV) salts catalyzed the MeOH-adduct formations of 1a and 1b in the dark.On the other hand, nitrate ester (4b) was obtained on treatment of 1b with a cerium(IV) salt in MeCN.

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