857768-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857768-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,6 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857768-18:
(8*8)+(7*5)+(6*7)+(5*7)+(4*6)+(3*8)+(2*1)+(1*8)=234
234 % 10 = 4
So 857768-18-4 is a valid CAS Registry Number.
857768-18-4Relevant articles and documents
Preparation method and intermediate of halogenated aromatic hydrocarbon compound
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Paragraph 0133-0135; 0148-0157, (2020/07/14)
The invention discloses a preparation method and an intermediate of a halogenated aromatic hydrocarbon compound, wherein the preparation method has the advantages of simple and accessible raw materials, low reagent price, high yield and simple operation,
