857570-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857570-22-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,7 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857570-22:
(8*8)+(7*5)+(6*7)+(5*5)+(4*7)+(3*0)+(2*2)+(1*2)=200
200 % 10 = 0
So 857570-22-0 is a valid CAS Registry Number.
857570-22-0Relevant articles and documents
Aromatic compounds, preparation method and application in medicine
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Paragraph 0033-0035, (2021/08/07)
Aromatic compounds can locally generate a lasting nerve blocking effect, have the effects of easing pain, relieving itching and the like, and can be used for preparing long-acting local anesthetic drugs, local analgesic drugs and antipruritic drugs.
