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693272-64-9

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693272-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 693272-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,7 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 693272-64:
(8*6)+(7*9)+(6*3)+(5*2)+(4*7)+(3*2)+(2*6)+(1*4)=189
189 % 10 = 9
So 693272-64-9 is a valid CAS Registry Number.

693272-64-9Downstream Products

693272-64-9Relevant articles and documents

p-Methoxy Diphenylmethanol (MDPM), p-Phenyl Diphenylmethanol (PDPM), and p-Phenylphenyl Diphenylmethanol (PPDPM) - Protecting Groups for Alcohols - Protection and Deprotection

Sharma,Prasad, T. Rajendra,Srinivas, Rakesh B.

, p. 941 - 950 (2007/10/03)

Two new protecting groups viz. p-phenyl diphenylmethanol (PDPM) and p-phenylphenyl diphenylmethanol (PPDPM) were prepared and utilized along with p-methoxy diphenylmethanol (MDPM), for the protection of alcohols in the presence of Yb(OTf)3. Deprotection of the above ethers was achieved using DDQ or CF3COOH.

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