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P-{P-(2,2,6,6-tetramethylpiperidino)-P'-(2,4,6-tri-tert-buylphenyl)diphosphene}pentacarbonyl chromium(0) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

126757-21-9

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126757-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126757-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,7,5 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126757-21:
(8*1)+(7*2)+(6*6)+(5*7)+(4*5)+(3*7)+(2*2)+(1*1)=139
139 % 10 = 9
So 126757-21-9 is a valid CAS Registry Number.

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