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72623-09-7

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72623-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72623-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,2 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72623-09:
(7*7)+(6*2)+(5*6)+(4*2)+(3*3)+(2*0)+(1*9)=117
117 % 10 = 7
So 72623-09-7 is a valid CAS Registry Number.

72623-09-7Relevant articles and documents

Rates and Products of Addition of 4-Chlorobenzenesulfenyl Chloride to a Series of Methyl-Substituted 1,3-Butadienes

Schmid, George H.,Yeroushalmi, Shahin,Garratt, Dennis G.

, p. 910 - 915 (2007/10/02)

The rate and product of addition of 4-chlorobenzenesulfenyl chloride to 1,3-butadiene and 11 of its mono- and dimethyl derivatives have been determined in 1,1,2,2-tetrachloroethane at 25 deg C.Substituting one of the hydrogens on 1,3-butadiene by a methyl

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