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77306-91-3

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77306-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77306-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77306-91:
(7*7)+(6*7)+(5*3)+(4*0)+(3*6)+(2*9)+(1*1)=143
143 % 10 = 3
So 77306-91-3 is a valid CAS Registry Number.

77306-91-3Downstream Products

77306-91-3Relevant articles and documents

Factors Affecting the Photoaddition reactions of Diphenylmethane

Gilbert, Andrew,Lane, Jonathan C.

, p. 142 - 145 (1981)

Diphenylmethane does not undergo photoaddition reactions which require initial excitation of the S0 -> S1 trasition of the arene.Reaction does, however, occur either by excitation within the charge-transfer absorption band of a ground-state complex between diphenylmethane and an addend (maleic anhydride) or by attack of a photoexcited addend (N-ethylmaleimide) onto the arene.It is considered that a mechanism for energy dissipation from S1 diphenylmethane involves through-bond interaction between the phenyl groups.

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