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128735-98-8

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128735-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128735-98-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,3 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128735-98:
(8*1)+(7*2)+(6*8)+(5*7)+(4*3)+(3*5)+(2*9)+(1*8)=158
158 % 10 = 8
So 128735-98-8 is a valid CAS Registry Number.

128735-98-8Downstream Products

128735-98-8Relevant articles and documents

Completely regioselective reversals for an addition reaction of ambident sulphur nucleophiles to Michael acceptors

Kpegba, Kafui,Metznei, Patrick

, p. 1853 - 1856 (2007/10/02)

Reacion of titanium enethiolates with α-unsaturated ketones leads selectively to 3-hydroxy 4-saturated alkanedithioates, arising from a 1,2-carbon-addition, whereas aluminum enethiolates give oxoketene dithioacetals, from exclusove 1,4-sulphur-addition. Reaction of titanium enethiolates with α-unsaturated ketones leads selectively to 3-hydroxy 4-unsaturated alkanedithioates, arising from a 1,2-carbon-addition, whereas aluminium enethiolates give oxoketene dithioacetals, from exclusive 1,4-sulphur-addition. (Chemical Equation Presented).

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