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42219-34-1

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42219-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42219-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,1 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42219-34:
(7*4)+(6*2)+(5*2)+(4*1)+(3*9)+(2*3)+(1*4)=91
91 % 10 = 1
So 42219-34-1 is a valid CAS Registry Number.

42219-34-1Downstream Products

42219-34-1Relevant articles and documents

Compound with anti-aging and discoloration-resistant effects and preparation method thereof

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Paragraph 0080; 0083; 0084, (2021/05/08)

The invention provides a compound with anti-aging and discoloration-resistant effects and a preparation method thereof. The compound has a structure shown as a formula (I), and in the formula, R, R1 and R2 are defined in the description. Compared with an

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