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97934-95-7

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97934-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97934-95-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,3 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97934-95:
(7*9)+(6*7)+(5*9)+(4*3)+(3*4)+(2*9)+(1*5)=197
197 % 10 = 7
So 97934-95-7 is a valid CAS Registry Number.

97934-95-7Relevant articles and documents

SYNTHESIS OF NOVEL 1,4-, 3,4-, AND 4,5-DIHYDROPYRIMIDINES: FIRST SUCCESSFUL POCl3 CHLORINATION AND REGIOSELECTIVE ALKOXYCARBONYLATION

Cho, Hidetsura,Ohnaka, Yoshiko,Hayashimatsu, Mariko,Ueda, Masaru,Shima, Keiyuu

, p. 6377 - 6380 (2007/10/02)

Chlorination of 5,6-dihydropyrimidine-4-(3H)-one derivatives (1) with POCl3 gave 1,4(3,4)-dihydropyrimidines (3), whose alkoxycarbonylation (ClCOOR-Et3N or NaH) afforded regioselectively novel compounds (4).A new Pummerer type rearrangement of compound (1

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