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219700-98-8

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219700-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219700-98-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,0 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219700-98:
(8*2)+(7*1)+(6*9)+(5*7)+(4*0)+(3*0)+(2*9)+(1*8)=138
138 % 10 = 8
So 219700-98-8 is a valid CAS Registry Number.

219700-98-8Downstream Products

219700-98-8Relevant articles and documents

Mechanistic studies of fluoride-promoted silicon elimination in β-benzotriazolyl-β-aryl-γ-ketosilanes

Katritzky, Alan R.,Voronkov, Michael V.,Toader, Dorin

, p. 2515 - 2518 (1998)

Vicinal elimination of trimethylsilyl and benzotriazolyl groups from 2-benzotriazolyl-2-aryl-3-ketopropylsilanes forms, along with the expected 1,1-disubstituted ethylenes, significant amounts of the corresponding chalcones. A study of this transformation

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