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77971-40-5

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77971-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77971-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77971-40:
(7*7)+(6*7)+(5*9)+(4*7)+(3*1)+(2*4)+(1*0)=175
175 % 10 = 5
So 77971-40-5 is a valid CAS Registry Number.

77971-40-5Relevant articles and documents

Process for the preparation of novel diol-functionalized UV absorbers

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, (2008/06/13)

The invention pertains to a process for the preparation of a novel UV absorbing diol of the general formula: wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 t

Bromo-functionalized benzotriazole UV absorbers

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, (2008/06/13)

The invention pertains to bromo functionalized benzotriazole UV absorber of the general formula 1 wherein R1is hydrogen, tert-butyl; X1is selected the group consisting of hydrogen, halogen, tert-butyl and C1to C12/su

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