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135638-65-2

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135638-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135638-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,3 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 135638-65:
(8*1)+(7*3)+(6*5)+(5*6)+(4*3)+(3*8)+(2*6)+(1*5)=142
142 % 10 = 2
So 135638-65-2 is a valid CAS Registry Number.

135638-65-2Downstream Products

135638-65-2Relevant articles and documents

α-Methylene β-Lactones as Masked Allenes and Allene Equivalents: Some Selected Chemical Transformations

Adam, Waldemar,Albert, Rainer,Hasemann, Ludwig,Nava Salgado, Victor O.,Nestler, Bernd,et al.

, p. 5782 - 5785 (1991)

Selective chemical transformations have been performed on a number of α-methylene β-lactones to illustrate that these highly functionalized heterocycles serve as useful building blocks in organic synthesis.Thus, thermal decarboxylation of these "masked al

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