1853-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1853-72-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1853-72:
(6*1)+(5*8)+(4*5)+(3*3)+(2*7)+(1*2)=91
91 % 10 = 1
So 1853-72-1 is a valid CAS Registry Number.
1853-72-1Relevant articles and documents
A PROCESS FOR THE PREPARATION OF UV ABSORBERS
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Page/Page column 74, (2020/07/25)
The presently claimed invention relates to a novel, highly efficient and general process for the preparation of UV absorbers.