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136539-98-5

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136539-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136539-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,5,3 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136539-98:
(8*1)+(7*3)+(6*6)+(5*5)+(4*3)+(3*9)+(2*9)+(1*8)=155
155 % 10 = 5
So 136539-98-5 is a valid CAS Registry Number.

136539-98-5Downstream Products

136539-98-5Relevant articles and documents

Selectivity in the Consecutive SNAr-Dequaternization Reactions of Heteroaromatic Chlorides with Tertiary Amines under High Pressure

Matsumoto, Kiyoshi,Toda, Mitsuo,Hashimoto, Shiro

, p. 1283 - 1286 (1991)

Consecutive SNAr-dealkylation reactions of heteroaromatic chlorides such as 2-chloro-5-trifluoromethylpyridine and 2-chlorobenzothiazole with tertiary amines took place under high pressure in a highly selective fashion; some synthetic potential

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