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172985-69-2

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172985-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172985-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,8 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 172985-69:
(8*1)+(7*7)+(6*2)+(5*9)+(4*8)+(3*5)+(2*6)+(1*9)=182
182 % 10 = 2
So 172985-69-2 is a valid CAS Registry Number.

172985-69-2Relevant articles and documents

Chelate synthesis of 3-ethoxycarbonyl-4-hydroxy-2-trifluoromethylpyridine from ethyl acetoacetate and trifluoroacetonitrile

Dorokhov, V. A.,Vasil'ev, L. S.,Surzhikov, F. E.,Bogdanov, V. S.

, p. 1283 - 1285 (2007/10/02)

Ethyl 2-acetyl-3-amino-4,4,4-trifluoro-2-butenoate was synthesized by treatment of ethyl acetoacetate with CF3CN in the presence of Ni(acac)2.Condensation of the diphenylboron chelate of the former with dimethylformamide dimethylacetal followed by refluxi

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