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170508-21-1

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170508-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170508-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,5,0 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 170508-21:
(8*1)+(7*7)+(6*0)+(5*5)+(4*0)+(3*8)+(2*2)+(1*1)=111
111 % 10 = 1
So 170508-21-1 is a valid CAS Registry Number.

170508-21-1Relevant articles and documents

Phenylpyrroles by Suzuki Cross Coupling and a Synthesis of Type I Tetramethyltetraphenylporphyrin

Chang, C. K.,Bag, Nilkamal

, p. 7030 - 7032 (2007/10/03)

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