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99875-21-5

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99875-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99875-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,7 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99875-21:
(7*9)+(6*9)+(5*8)+(4*7)+(3*5)+(2*2)+(1*1)=205
205 % 10 = 5
So 99875-21-5 is a valid CAS Registry Number.

99875-21-5Downstream Products

99875-21-5Relevant articles and documents

Synthesis of 2,4-Bis-2,3-dihydro-4H-1-benzopyrans using N,N'-Bis-2-hydroxyphenylmethanediamine; A Structural Reassignment

Takajo, Tokiharu,Kambe, Satoshi,Ando, Wataru

, p. 344 - 346 (2007/10/02)

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