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87589-49-9

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87589-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87589-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87589-49:
(7*8)+(6*7)+(5*5)+(4*8)+(3*9)+(2*4)+(1*9)=199
199 % 10 = 9
So 87589-49-9 is a valid CAS Registry Number.

87589-49-9Downstream Products

87589-49-9Relevant articles and documents

Dichloromethane as a methylene synthon for regioselective linkage of diverse carboxylic acids: Direct access to methylene diesters under metal-free conditions

Wang, Shuiliang,Fu, Zhengjiang,Huang, Zhicong,Jiang, Yongqing,Guo, Shengmei,Cai, Hu

, p. 1173 - 1177 (2019)

A metal-free cross coupling between common CH2Cl2 and carboxylic acids has been achieved with K2CO3 as the sole additive. This simple protocol is a convenient and cost-effective route to synthesize methylene die

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